Home / 87,342,942.80-131,014,414.20-67,187,550.80

Finding the Fourth Proportional to 87,342,942.80, 131,014,414.20 and 67,187,550.80

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Solution

The fourth proportional to 87,342,942.80, 131,014,414.20 and 67,187,550.80 is: 100,781,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,342,942.80 : 131,014,414.20 = 67,187,550.80 : x
  2. Step 2: Convert to fraction form
    87,342,942.80/131,014,414.20 = 67,187,550.80/x
  3. Step 3: Cross multiply
    87,342,942.80x = 131,014,414.20 × 67,187,550.80
  4. Step 4: Simplify right side
    87,342,942.80x = 8,802,537,609,594,741
  5. Step 5: Solve for x
    x = 8,802,537,609,594,741/87,342,942.80
  6. Step 6: Final answer
    x = 100,781,326.20

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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.