45.1 is what percent of 31.1 - step by step solution

To get the solution, we are looking for, we need to point out what we know.

1. We assume, that the number 31.1 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 100% equals 31.1, so we can write it down as 100%=31.1.
4. We know, that x% equals 45.1 of the output value, so we can write it down as x%=45.1.
5. Now we have two simple equations:
1) 100%=31.1
2) x%=45.1
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
100%/x%=31.1/45.1
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 45.1 is what percent of 31.1

100%/x%=31.1/45.1
(100/x)*x=(31.1/45.1)*x       - we multiply both sides of the equation by x
100=0.68957871396896*x       - we divide both sides of the equation by (0.68957871396896) to get x
100/0.68957871396896=x
145.01607717042=x
x=145.01607717042

now we have:
45.1 is 145.01607717042% of 31.1