Home / 87,773,997.60-131,669,656.92-30,258,696.96

Finding the Fourth Proportional to 87,773,997.60, 131,669,656.92 and 30,258,696.96

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Solution

The fourth proportional to 87,773,997.60, 131,669,656.92 and 30,258,696.96 is: 45,391,031.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,773,997.60 : 131,669,656.92 = 30,258,696.96 : x
  2. Step 2: Convert to fraction form
    87,773,997.60/131,669,656.92 = 30,258,696.96/x
  3. Step 3: Cross multiply
    87,773,997.60x = 131,669,656.92 × 30,258,696.96
  4. Step 4: Simplify right side
    87,773,997.60x = 3,984,152,247,569,447
  5. Step 5: Solve for x
    x = 3,984,152,247,569,447/87,773,997.60
  6. Step 6: Final answer
    x = 45,391,031.02

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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.