Home / 78,982,098.12-118,485,768.90-24,381,849.78

Finding the Fourth Proportional to 78,982,098.12, 118,485,768.90 and 24,381,849.78

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Solution

The fourth proportional to 78,982,098.12, 118,485,768.90 and 24,381,849.78 is: 36,576,671.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,982,098.12 : 118,485,768.90 = 24,381,849.78 : x
  2. Step 2: Convert to fraction form
    78,982,098.12/118,485,768.90 = 24,381,849.78/x
  3. Step 3: Cross multiply
    78,982,098.12x = 118,485,768.90 × 24,381,849.78
  4. Step 4: Simplify right side
    78,982,098.12x = 2,888,902,218,387,596
  5. Step 5: Solve for x
    x = 2,888,902,218,387,596/78,982,098.12
  6. Step 6: Final answer
    x = 36,576,671.01

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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.