Home / 83,142,456.20-124,647,329.10-35,234,001.80

Finding the Fourth Proportional to 83,142,456.20, 124,647,329.10 and 35,234,001.80

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Solution

The fourth proportional to 83,142,456.20, 124,647,329.10 and 35,234,001.80 is: 52,822,882.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,142,456.20 : 124,647,329.10 = 35,234,001.80 : x
  2. Step 2: Convert to fraction form
    83,142,456.20/124,647,329.10 = 35,234,001.80/x
  3. Step 3: Cross multiply
    83,142,456.20x = 124,647,329.10 × 35,234,001.80
  4. Step 4: Simplify right side
    83,142,456.20x = 4,391,824,217,874,592
  5. Step 5: Solve for x
    x = 4,391,824,217,874,592/83,142,456.20
  6. Step 6: Final answer
    x = 52,822,882.78

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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.