Home / 69,005,489.38-103,527,386.05-38,321,616.60

Finding the Fourth Proportional to 69,005,489.38, 103,527,386.05 and 38,321,616.60

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Solution

The fourth proportional to 69,005,489.38, 103,527,386.05 and 38,321,616.60 is: 57,493,060.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,005,489.38 : 103,527,386.05 = 38,321,616.60 : x
  2. Step 2: Convert to fraction form
    69,005,489.38/103,527,386.05 = 38,321,616.60/x
  3. Step 3: Cross multiply
    69,005,489.38x = 103,527,386.05 × 38,321,616.60
  4. Step 4: Simplify right side
    69,005,489.38x = 3,967,336,795,940,963
  5. Step 5: Solve for x
    x = 3,967,336,795,940,963/69,005,489.38
  6. Step 6: Final answer
    x = 57,493,060.79

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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.