Home / 83,380,697.20-125,120,180.40-34,854,812.20

Finding the Fourth Proportional to 83,380,697.20, 125,120,180.40 and 34,854,812.20

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Solution

The fourth proportional to 83,380,697.20, 125,120,180.40 and 34,854,812.20 is: 52,302,757.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,380,697.20 : 125,120,180.40 = 34,854,812.20 : x
  2. Step 2: Convert to fraction form
    83,380,697.20/125,120,180.40 = 34,854,812.20/x
  3. Step 3: Cross multiply
    83,380,697.20x = 125,120,180.40 × 34,854,812.20
  4. Step 4: Simplify right side
    83,380,697.20x = 4,361,040,390,272,121.50
  5. Step 5: Solve for x
    x = 4,361,040,390,272,121.50/83,380,697.20
  6. Step 6: Final answer
    x = 52,302,757.55

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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.