Home / 61,239,508.20-91,752,974.10-39,663,003.60

Finding the Fourth Proportional to 61,239,508.20, 91,752,974.10 and 39,663,003.60

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Solution

The fourth proportional to 61,239,508.20, 91,752,974.10 and 39,663,003.60 is: 59,425,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,239,508.20 : 91,752,974.10 = 39,663,003.60 : x
  2. Step 2: Convert to fraction form
    61,239,508.20/91,752,974.10 = 39,663,003.60/x
  3. Step 3: Cross multiply
    61,239,508.20x = 91,752,974.10 × 39,663,003.60
  4. Step 4: Simplify right side
    61,239,508.20x = 3,639,198,542,039,006.50
  5. Step 5: Solve for x
    x = 3,639,198,542,039,006.50/61,239,508.20
  6. Step 6: Final answer
    x = 59,425,665.70

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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.