Home / 89,352,520.20-123,311,743.92-67,287,089.88

Finding the Fourth Proportional to 89,352,520.20, 123,311,743.92 and 67,287,089.88

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Solution

The fourth proportional to 89,352,520.20, 123,311,743.92 and 67,287,089.88 is: 92,860,149.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,352,520.20 : 123,311,743.92 = 67,287,089.88 : x
  2. Step 2: Convert to fraction form
    89,352,520.20/123,311,743.92 = 67,287,089.88/x
  3. Step 3: Cross multiply
    89,352,520.20x = 123,311,743.92 × 67,287,089.88
  4. Step 4: Simplify right side
    89,352,520.20x = 8,297,288,396,404,583
  5. Step 5: Solve for x
    x = 8,297,288,396,404,583/89,352,520.20
  6. Step 6: Final answer
    x = 92,860,149.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.