Home / 87,379,310.40-131,068,965.60-36,255,998.40

Finding the Fourth Proportional to 87,379,310.40, 131,068,965.60 and 36,255,998.40

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Solution

The fourth proportional to 87,379,310.40, 131,068,965.60 and 36,255,998.40 is: 54,383,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,379,310.40 : 131,068,965.60 = 36,255,998.40 : x
  2. Step 2: Convert to fraction form
    87,379,310.40/131,068,965.60 = 36,255,998.40/x
  3. Step 3: Cross multiply
    87,379,310.40x = 131,068,965.60 × 36,255,998.40
  4. Step 4: Simplify right side
    87,379,310.40x = 4,752,036,207,083,255
  5. Step 5: Solve for x
    x = 4,752,036,207,083,255/87,379,310.40
  6. Step 6: Final answer
    x = 54,383,997.60

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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.