Home / 139,967,998.20-209,951,997.30-88,571,748.60

Finding the Fourth Proportional to 139,967,998.20, 209,951,997.30 and 88,571,748.60

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Solution

The fourth proportional to 139,967,998.20, 209,951,997.30 and 88,571,748.60 is: 132,857,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,967,998.20 : 209,951,997.30 = 88,571,748.60 : x
  2. Step 2: Convert to fraction form
    139,967,998.20/209,951,997.30 = 88,571,748.60/x
  3. Step 3: Cross multiply
    139,967,998.20x = 209,951,997.30 × 88,571,748.60
  4. Step 4: Simplify right side
    139,967,998.20x = 18,595,815,522,923,480
  5. Step 5: Solve for x
    x = 18,595,815,522,923,480/139,967,998.20
  6. Step 6: Final answer
    x = 132,857,622.90

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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.