What is the missing number if you have 2/3=blank/100

I'm almost 100% sure it's 66.667/100 here are the steps

4.2 Solve : - 3x+200 = 0

Subtract 200 from both sides of the equation:

-3x = - 200

Multiply both sides of the equation by (-1) : 3x = 200

Divide both sides of the equation by 3:

x = 200/3 = 66.667

3x=200

x=200/3

x=66.6666