Home / 77,137,821.27-106,444,952.89-42,332,753.68

Finding the Fourth Proportional to 77,137,821.27, 106,444,952.89 and 42,332,753.68

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Solution

The fourth proportional to 77,137,821.27, 106,444,952.89 and 42,332,753.68 is: 58,416,324.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,137,821.27 : 106,444,952.89 = 42,332,753.68 : x
  2. Step 2: Convert to fraction form
    77,137,821.27/106,444,952.89 = 42,332,753.68/x
  3. Step 3: Cross multiply
    77,137,821.27x = 106,444,952.89 × 42,332,753.68
  4. Step 4: Simplify right side
    77,137,821.27x = 4,506,107,970,799,630
  5. Step 5: Solve for x
    x = 4,506,107,970,799,630/77,137,821.27
  6. Step 6: Final answer
    x = 58,416,324.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.