Home / 80,601,959.20-120,902,938.80-32,767,232.80

Finding the Fourth Proportional to 80,601,959.20, 120,902,938.80 and 32,767,232.80

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Solution

The fourth proportional to 80,601,959.20, 120,902,938.80 and 32,767,232.80 is: 49,150,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,601,959.20 : 120,902,938.80 = 32,767,232.80 : x
  2. Step 2: Convert to fraction form
    80,601,959.20/120,902,938.80 = 32,767,232.80/x
  3. Step 3: Cross multiply
    80,601,959.20x = 120,902,938.80 × 32,767,232.80
  4. Step 4: Simplify right side
    80,601,959.20x = 3,961,654,741,863,752.50
  5. Step 5: Solve for x
    x = 3,961,654,741,863,752.50/80,601,959.20
  6. Step 6: Final answer
    x = 49,150,849.20

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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.