Home / 87,369,665.20-131,138,478.60-44,287,514.80

Finding the Fourth Proportional to 87,369,665.20, 131,138,478.60 and 44,287,514.80

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Solution

The fourth proportional to 87,369,665.20, 131,138,478.60 and 44,287,514.80 is: 66,473,841.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,369,665.20 : 131,138,478.60 = 44,287,514.80 : x
  2. Step 2: Convert to fraction form
    87,369,665.20/131,138,478.60 = 44,287,514.80/x
  3. Step 3: Cross multiply
    87,369,665.20x = 131,138,478.60 × 44,287,514.80
  4. Step 4: Simplify right side
    87,369,665.20x = 5,807,797,311,846,983
  5. Step 5: Solve for x
    x = 5,807,797,311,846,983/87,369,665.20
  6. Step 6: Final answer
    x = 66,473,841.91

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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.