Home / 88,138,311.20-132,078,385.20-79,040,391.20

Finding the Fourth Proportional to 88,138,311.20, 132,078,385.20 and 79,040,391.20

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Solution

The fourth proportional to 88,138,311.20, 132,078,385.20 and 79,040,391.20 is: 118,444,829.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,138,311.20 : 132,078,385.20 = 79,040,391.20 : x
  2. Step 2: Convert to fraction form
    88,138,311.20/132,078,385.20 = 79,040,391.20/x
  3. Step 3: Cross multiply
    88,138,311.20x = 132,078,385.20 × 79,040,391.20
  4. Step 4: Simplify right side
    88,138,311.20x = 10,439,527,235,272,290
  5. Step 5: Solve for x
    x = 10,439,527,235,272,290/88,138,311.20
  6. Step 6: Final answer
    x = 118,444,829.42

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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.