Finding the Fourth Proportional to 66,384,101.60, 99,519,354.18 and 25,472,898.62
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Solution
The fourth proportional to 66,384,101.60, 99,519,354.18 and 25,472,898.62 is: 38,187,553.32
Step by Step Solution
- Step 1: Write the proportion equation
66,384,101.60 : 99,519,354.18 = 25,472,898.62 : x - Step 2: Convert to fraction form
66,384,101.60/99,519,354.18 = 25,472,898.62/x - Step 3: Cross multiply
66,384,101.60x = 99,519,354.18 × 25,472,898.62 - Step 4: Simplify right side
66,384,101.60x = 2,535,046,419,257,416.50 - Step 5: Solve for x
x = 2,535,046,419,257,416.50/66,384,101.60 - Step 6: Final answer
x = 38,187,553.32
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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.