Home / 79,248,002.20-118,872,003.30-66,493,418.20

Finding the Fourth Proportional to 79,248,002.20, 118,872,003.30 and 66,493,418.20

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Solution

The fourth proportional to 79,248,002.20, 118,872,003.30 and 66,493,418.20 is: 99,740,127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,248,002.20 : 118,872,003.30 = 66,493,418.20 : x
  2. Step 2: Convert to fraction form
    79,248,002.20/118,872,003.30 = 66,493,418.20/x
  3. Step 3: Cross multiply
    79,248,002.20x = 118,872,003.30 × 66,493,418.20
  4. Step 4: Simplify right side
    79,248,002.20x = 7,904,205,827,698,680
  5. Step 5: Solve for x
    x = 7,904,205,827,698,680/79,248,002.20
  6. Step 6: Final answer
    x = 99,740,127.30

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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.