Home / 83,126,475.40-124,689,713.10-25,613,624.20

Finding the Fourth Proportional to 83,126,475.40, 124,689,713.10 and 25,613,624.20

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Solution

The fourth proportional to 83,126,475.40, 124,689,713.10 and 25,613,624.20 is: 38,420,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,126,475.40 : 124,689,713.10 = 25,613,624.20 : x
  2. Step 2: Convert to fraction form
    83,126,475.40/124,689,713.10 = 25,613,624.20/x
  3. Step 3: Cross multiply
    83,126,475.40x = 124,689,713.10 × 25,613,624.20
  4. Step 4: Simplify right side
    83,126,475.40x = 3,193,755,452,949,217
  5. Step 5: Solve for x
    x = 3,193,755,452,949,217/83,126,475.40
  6. Step 6: Final answer
    x = 38,420,436.30

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Similar ratio
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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.