Home / 80,902,776.90-121,440,524.40-34,867,364.55

Finding the Fourth Proportional to 80,902,776.90, 121,440,524.40 and 34,867,364.55

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Solution

The fourth proportional to 80,902,776.90, 121,440,524.40 and 34,867,364.55 is: 52,338,265.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,902,776.90 : 121,440,524.40 = 34,867,364.55 : x
  2. Step 2: Convert to fraction form
    80,902,776.90/121,440,524.40 = 34,867,364.55/x
  3. Step 3: Cross multiply
    80,902,776.90x = 121,440,524.40 × 34,867,364.55
  4. Step 4: Simplify right side
    80,902,776.90x = 4,234,311,035,397,970
  5. Step 5: Solve for x
    x = 4,234,311,035,397,970/80,902,776.90
  6. Step 6: Final answer
    x = 52,338,265.73

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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.