Home / 87,493,334.72-131,209,609.44-48,691,000.76

Finding the Fourth Proportional to 87,493,334.72, 131,209,609.44 and 48,691,000.76

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Solution

The fourth proportional to 87,493,334.72, 131,209,609.44 and 48,691,000.76 is: 73,019,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,493,334.72 : 131,209,609.44 = 48,691,000.76 : x
  2. Step 2: Convert to fraction form
    87,493,334.72/131,209,609.44 = 48,691,000.76/x
  3. Step 3: Cross multiply
    87,493,334.72x = 131,209,609.44 × 48,691,000.76
  4. Step 4: Simplify right side
    87,493,334.72x = 6,388,727,192,962,343
  5. Step 5: Solve for x
    x = 6,388,727,192,962,343/87,493,334.72
  6. Step 6: Final answer
    x = 73,019,587.30

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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.