Home / 83,126,645.40-124,689,968.10-25,613,794.20

Finding the Fourth Proportional to 83,126,645.40, 124,689,968.10 and 25,613,794.20

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Solution

The fourth proportional to 83,126,645.40, 124,689,968.10 and 25,613,794.20 is: 38,420,691.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,126,645.40 : 124,689,968.10 = 25,613,794.20 : x
  2. Step 2: Convert to fraction form
    83,126,645.40/124,689,968.10 = 25,613,794.20/x
  3. Step 3: Cross multiply
    83,126,645.40x = 124,689,968.10 × 25,613,794.20
  4. Step 4: Simplify right side
    83,126,645.40x = 3,193,783,181,717,965
  5. Step 5: Solve for x
    x = 3,193,783,181,717,965/83,126,645.40
  6. Step 6: Final answer
    x = 38,420,691.30

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Double scale
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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.