Home / 87,480,147.10-131,220,220.65-26,887,999.90

Finding the Fourth Proportional to 87,480,147.10, 131,220,220.65 and 26,887,999.90

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Solution

The fourth proportional to 87,480,147.10, 131,220,220.65 and 26,887,999.90 is: 40,331,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,480,147.10 : 131,220,220.65 = 26,887,999.90 : x
  2. Step 2: Convert to fraction form
    87,480,147.10/131,220,220.65 = 26,887,999.90/x
  3. Step 3: Cross multiply
    87,480,147.10x = 131,220,220.65 × 26,887,999.90
  4. Step 4: Simplify right side
    87,480,147.10x = 3,528,249,279,715,178
  5. Step 5: Solve for x
    x = 3,528,249,279,715,178/87,480,147.10
  6. Step 6: Final answer
    x = 40,331,999.85

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Similar ratio
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1.5x scale

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.