Finding the Fourth Proportional to 159,764,677.92, 220,465,991.99 and 89,204,755.52
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Solution
The fourth proportional to 159,764,677.92, 220,465,991.99 and 89,204,755.52 is: 123,097,390.32
Step by Step Solution
- Step 1: Write the proportion equation
159,764,677.92 : 220,465,991.99 = 89,204,755.52 : x - Step 2: Convert to fraction form
159,764,677.92/220,465,991.99 = 89,204,755.52/x - Step 3: Cross multiply
159,764,677.92x = 220,465,991.99 × 89,204,755.52 - Step 4: Simplify right side
159,764,677.92x = 19,666,614,916,716,404 - Step 5: Solve for x
x = 19,666,614,916,716,404/159,764,677.92 - Step 6: Final answer
x = 123,097,390.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.