Home / 80,351,611.62-120,542,930.55-34,292,808.42

Finding the Fourth Proportional to 80,351,611.62, 120,542,930.55 and 34,292,808.42

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Solution

The fourth proportional to 80,351,611.62, 120,542,930.55 and 34,292,808.42 is: 51,445,833.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,351,611.62 : 120,542,930.55 = 34,292,808.42 : x
  2. Step 2: Convert to fraction form
    80,351,611.62/120,542,930.55 = 34,292,808.42/x
  3. Step 3: Cross multiply
    80,351,611.62x = 120,542,930.55 × 34,292,808.42
  4. Step 4: Simplify right side
    80,351,611.62x = 4,133,755,623,736,515.50
  5. Step 5: Solve for x
    x = 4,133,755,623,736,515.50/80,351,611.62
  6. Step 6: Final answer
    x = 51,445,833.39

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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.