Home / 87,552,176.70-131,328,265.05-82,849,251.90

Finding the Fourth Proportional to 87,552,176.70, 131,328,265.05 and 82,849,251.90

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Solution

The fourth proportional to 87,552,176.70, 131,328,265.05 and 82,849,251.90 is: 124,273,877.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,552,176.70 : 131,328,265.05 = 82,849,251.90 : x
  2. Step 2: Convert to fraction form
    87,552,176.70/131,328,265.05 = 82,849,251.90/x
  3. Step 3: Cross multiply
    87,552,176.70x = 131,328,265.05 × 82,849,251.90
  4. Step 4: Simplify right side
    87,552,176.70x = 10,880,448,512,717,416
  5. Step 5: Solve for x
    x = 10,880,448,512,717,416/87,552,176.70
  6. Step 6: Final answer
    x = 124,273,877.85

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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.