Home / 122,711,452.20-184,067,178.30-76,794,949.80

Finding the Fourth Proportional to 122,711,452.20, 184,067,178.30 and 76,794,949.80

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Solution

The fourth proportional to 122,711,452.20, 184,067,178.30 and 76,794,949.80 is: 115,192,424.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,711,452.20 : 184,067,178.30 = 76,794,949.80 : x
  2. Step 2: Convert to fraction form
    122,711,452.20/184,067,178.30 = 76,794,949.80/x
  3. Step 3: Cross multiply
    122,711,452.20x = 184,067,178.30 × 76,794,949.80
  4. Step 4: Simplify right side
    122,711,452.20x = 14,135,429,717,376,150
  5. Step 5: Solve for x
    x = 14,135,429,717,376,150/122,711,452.20
  6. Step 6: Final answer
    x = 115,192,424.70

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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.