Finding the Fourth Proportional to 57,991,888.96, 87,021,753.81 and 21,625,403.20
Calculator
Solution
The fourth proportional to 57,991,888.96, 87,021,753.81 and 21,625,403.20 is: 32,450,753.84
Step by Step Solution
- Step 1: Write the proportion equation
57,991,888.96 : 87,021,753.81 = 21,625,403.20 : x - Step 2: Convert to fraction form
57,991,888.96/87,021,753.81 = 21,625,403.20/x - Step 3: Cross multiply
57,991,888.96x = 87,021,753.81 × 21,625,403.20 - Step 4: Simplify right side
57,991,888.96x = 1,881,880,513,312,386.25 - Step 5: Solve for x
x = 1,881,880,513,312,386.25/57,991,888.96 - Step 6: Final answer
x = 32,450,753.84
Related Problems
Find fourth proportional to 28,995,944.48, 43,510,876.91 and 10,812,701.60
Half scale
Find fourth proportional to 115,983,777.92, 174,043,507.62 and 43,250,806.40
Double scale
Find fourth proportional to 57,991,889.96, 87,021,755.31 and 21,625,404.20
Similar ratio
Find fourth proportional to 86,987,833.44, 130,532,630.72 and 32,438,104.80
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.