Home / 87,709,276.80-131,563,915.20-71,766,046.80

Finding the Fourth Proportional to 87,709,276.80, 131,563,915.20 and 71,766,046.80

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Solution

The fourth proportional to 87,709,276.80, 131,563,915.20 and 71,766,046.80 is: 107,649,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,709,276.80 : 131,563,915.20 = 71,766,046.80 : x
  2. Step 2: Convert to fraction form
    87,709,276.80/131,563,915.20 = 71,766,046.80/x
  3. Step 3: Cross multiply
    87,709,276.80x = 131,563,915.20 × 71,766,046.80
  4. Step 4: Simplify right side
    87,709,276.80x = 9,441,822,095,434,432
  5. Step 5: Solve for x
    x = 9,441,822,095,434,432/87,709,276.80
  6. Step 6: Final answer
    x = 107,649,070.20

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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.