Home / 87,435,306.80-131,047,984.20-36,290,999.60

Finding the Fourth Proportional to 87,435,306.80, 131,047,984.20 and 36,290,999.60

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Solution

The fourth proportional to 87,435,306.80, 131,047,984.20 and 36,290,999.60 is: 54,392,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,435,306.80 : 131,047,984.20 = 36,290,999.60 : x
  2. Step 2: Convert to fraction form
    87,435,306.80/131,047,984.20 = 36,290,999.60/x
  3. Step 3: Cross multiply
    87,435,306.80x = 131,047,984.20 × 36,290,999.60
  4. Step 4: Simplify right side
    87,435,306.80x = 4,755,862,342,183,007
  5. Step 5: Solve for x
    x = 4,755,862,342,183,007/87,435,306.80
  6. Step 6: Final answer
    x = 54,392,927.94

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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.