Home / 87,552,198.80-131,328,298.20-85,760,608.40

Finding the Fourth Proportional to 87,552,198.80, 131,328,298.20 and 85,760,608.40

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Solution

The fourth proportional to 87,552,198.80, 131,328,298.20 and 85,760,608.40 is: 128,640,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,552,198.80 : 131,328,298.20 = 85,760,608.40 : x
  2. Step 2: Convert to fraction form
    87,552,198.80/131,328,298.20 = 85,760,608.40/x
  3. Step 3: Cross multiply
    87,552,198.80x = 131,328,298.20 × 85,760,608.40
  4. Step 4: Simplify right side
    87,552,198.80x = 11,262,794,753,768,626
  5. Step 5: Solve for x
    x = 11,262,794,753,768,626/87,552,198.80
  6. Step 6: Final answer
    x = 128,640,912.60

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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.