Home / 80,602,007.20-120,903,010.80-32,767,280.80

Finding the Fourth Proportional to 80,602,007.20, 120,903,010.80 and 32,767,280.80

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Solution

The fourth proportional to 80,602,007.20, 120,903,010.80 and 32,767,280.80 is: 49,150,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,602,007.20 : 120,903,010.80 = 32,767,280.80 : x
  2. Step 2: Convert to fraction form
    80,602,007.20/120,903,010.80 = 32,767,280.80/x
  3. Step 3: Cross multiply
    80,602,007.20x = 120,903,010.80 × 32,767,280.80
  4. Step 4: Simplify right side
    80,602,007.20x = 3,961,662,904,449,032.50
  5. Step 5: Solve for x
    x = 3,961,662,904,449,032.50/80,602,007.20
  6. Step 6: Final answer
    x = 49,150,921.20

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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.