Finding the Fourth Proportional to 168,534,167.20, 252,423,337.20 and 138,301,079.20
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Solution
The fourth proportional to 168,534,167.20, 252,423,337.20 and 138,301,079.20 is: 207,141,498.55
Step by Step Solution
- Step 1: Write the proportion equation
168,534,167.20 : 252,423,337.20 = 138,301,079.20 : x - Step 2: Convert to fraction form
168,534,167.20/252,423,337.20 = 138,301,079.20/x - Step 3: Cross multiply
168,534,167.20x = 252,423,337.20 × 138,301,079.20 - Step 4: Simplify right side
168,534,167.20x = 34,910,419,950,025,500 - Step 5: Solve for x
x = 34,910,419,950,025,500/168,534,167.20 - Step 6: Final answer
x = 207,141,498.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.