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Finding the Fourth Proportional to 62,234,082.90, 87,255,261.90 and 62,234,082.90

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Solution

The fourth proportional to 62,234,082.90, 87,255,261.90 and 62,234,082.90 is: 87,255,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,234,082.90 : 87,255,261.90 = 62,234,082.90 : x
  2. Step 2: Convert to fraction form
    62,234,082.90/87,255,261.90 = 62,234,082.90/x
  3. Step 3: Cross multiply
    62,234,082.90x = 87,255,261.90 × 62,234,082.90
  4. Step 4: Simplify right side
    62,234,082.90x = 5,430,251,202,545,812
  5. Step 5: Solve for x
    x = 5,430,251,202,545,812/62,234,082.90
  6. Step 6: Final answer
    x = 87,255,261.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.