Home / 83,126,711.40-124,690,067.10-25,613,860.20

Finding the Fourth Proportional to 83,126,711.40, 124,690,067.10 and 25,613,860.20

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Solution

The fourth proportional to 83,126,711.40, 124,690,067.10 and 25,613,860.20 is: 38,420,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,126,711.40 : 124,690,067.10 = 25,613,860.20 : x
  2. Step 2: Convert to fraction form
    83,126,711.40/124,690,067.10 = 25,613,860.20/x
  3. Step 3: Cross multiply
    83,126,711.40x = 124,690,067.10 × 25,613,860.20
  4. Step 4: Simplify right side
    83,126,711.40x = 3,193,793,947,028,019
  5. Step 5: Solve for x
    x = 3,193,793,947,028,019/83,126,711.40
  6. Step 6: Final answer
    x = 38,420,790.30

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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.