Home / 81,645,766.80-122,468,650.20-24,138,601.80

Finding the Fourth Proportional to 81,645,766.80, 122,468,650.20 and 24,138,601.80

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Solution

The fourth proportional to 81,645,766.80, 122,468,650.20 and 24,138,601.80 is: 36,207,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,645,766.80 : 122,468,650.20 = 24,138,601.80 : x
  2. Step 2: Convert to fraction form
    81,645,766.80/122,468,650.20 = 24,138,601.80/x
  3. Step 3: Cross multiply
    81,645,766.80x = 122,468,650.20 × 24,138,601.80
  4. Step 4: Simplify right side
    81,645,766.80x = 2,956,221,980,161,290.50
  5. Step 5: Solve for x
    x = 2,956,221,980,161,290.50/81,645,766.80
  6. Step 6: Final answer
    x = 36,207,902.70

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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.