Home / 87,480,563.80-131,220,845.70-55,027,233.40

Finding the Fourth Proportional to 87,480,563.80, 131,220,845.70 and 55,027,233.40

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Solution

The fourth proportional to 87,480,563.80, 131,220,845.70 and 55,027,233.40 is: 82,540,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,480,563.80 : 131,220,845.70 = 55,027,233.40 : x
  2. Step 2: Convert to fraction form
    87,480,563.80/131,220,845.70 = 55,027,233.40/x
  3. Step 3: Cross multiply
    87,480,563.80x = 131,220,845.70 × 55,027,233.40
  4. Step 4: Simplify right side
    87,480,563.80x = 7,220,720,103,279,286
  5. Step 5: Solve for x
    x = 7,220,720,103,279,286/87,480,563.80
  6. Step 6: Final answer
    x = 82,540,850.10

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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.