Home / 99,906,974.76-137,874,654.24-55,855,829.52

Finding the Fourth Proportional to 99,906,974.76, 137,874,654.24 and 55,855,829.52

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Solution

The fourth proportional to 99,906,974.76, 137,874,654.24 and 55,855,829.52 is: 77,082,738.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,906,974.76 : 137,874,654.24 = 55,855,829.52 : x
  2. Step 2: Convert to fraction form
    99,906,974.76/137,874,654.24 = 55,855,829.52/x
  3. Step 3: Cross multiply
    99,906,974.76x = 137,874,654.24 × 55,855,829.52
  4. Step 4: Simplify right side
    99,906,974.76x = 7,701,103,182,358,386
  5. Step 5: Solve for x
    x = 7,701,103,182,358,386/99,906,974.76
  6. Step 6: Final answer
    x = 77,082,738.23

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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.