Home / 125,112,691.28-187,700,295.72-88,296,466.16

Finding the Fourth Proportional to 125,112,691.28, 187,700,295.72 and 88,296,466.16

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Solution

The fourth proportional to 125,112,691.28, 187,700,295.72 and 88,296,466.16 is: 132,466,759.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,112,691.28 : 187,700,295.72 = 88,296,466.16 : x
  2. Step 2: Convert to fraction form
    125,112,691.28/187,700,295.72 = 88,296,466.16/x
  3. Step 3: Cross multiply
    125,112,691.28x = 187,700,295.72 × 88,296,466.16
  4. Step 4: Simplify right side
    125,112,691.28x = 16,573,272,809,262,972
  5. Step 5: Solve for x
    x = 16,573,272,809,262,972/125,112,691.28
  6. Step 6: Final answer
    x = 132,466,759.68

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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.