Home / 71,282,982.15-106,969,452.68-30,342,355.92

Finding the Fourth Proportional to 71,282,982.15, 106,969,452.68 and 30,342,355.92

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Solution

The fourth proportional to 71,282,982.15, 106,969,452.68 and 30,342,355.92 is: 45,532,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,282,982.15 : 106,969,452.68 = 30,342,355.92 : x
  2. Step 2: Convert to fraction form
    71,282,982.15/106,969,452.68 = 30,342,355.92/x
  3. Step 3: Cross multiply
    71,282,982.15x = 106,969,452.68 × 30,342,355.92
  4. Step 4: Simplify right side
    71,282,982.15x = 3,245,705,205,632,446
  5. Step 5: Solve for x
    x = 3,245,705,205,632,446/71,282,982.15
  6. Step 6: Final answer
    x = 45,532,679.86

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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.