Finding the Fourth Proportional to 117,248,934.80, 175,873,402.20 and 99,864,909.20
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Solution
The fourth proportional to 117,248,934.80, 175,873,402.20 and 99,864,909.20 is: 149,797,363.80
Step by Step Solution
- Step 1: Write the proportion equation
117,248,934.80 : 175,873,402.20 = 99,864,909.20 : x - Step 2: Convert to fraction form
117,248,934.80/175,873,402.20 = 99,864,909.20/x - Step 3: Cross multiply
117,248,934.80x = 175,873,402.20 × 99,864,909.20 - Step 4: Simplify right side
117,248,934.80x = 17,563,581,341,398,080 - Step 5: Solve for x
x = 17,563,581,341,398,080/117,248,934.80 - Step 6: Final answer
x = 149,797,363.80
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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.