Home / 80,170,944.09-120,341,455.20-71,008,396.89

Finding the Fourth Proportional to 80,170,944.09, 120,341,455.20 and 71,008,396.89

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Solution

The fourth proportional to 80,170,944.09, 120,341,455.20 and 71,008,396.89 is: 106,587,915.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,170,944.09 : 120,341,455.20 = 71,008,396.89 : x
  2. Step 2: Convert to fraction form
    80,170,944.09/120,341,455.20 = 71,008,396.89/x
  3. Step 3: Cross multiply
    80,170,944.09x = 120,341,455.20 × 71,008,396.89
  4. Step 4: Simplify right side
    80,170,944.09x = 8,545,253,813,161,755
  5. Step 5: Solve for x
    x = 8,545,253,813,161,755/80,170,944.09
  6. Step 6: Final answer
    x = 106,587,915.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.