Home / 87,690,920.40-131,480,393.40-36,593,269.20

Finding the Fourth Proportional to 87,690,920.40, 131,480,393.40 and 36,593,269.20

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Solution

The fourth proportional to 87,690,920.40, 131,480,393.40 and 36,593,269.20 is: 54,866,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,690,920.40 : 131,480,393.40 = 36,593,269.20 : x
  2. Step 2: Convert to fraction form
    87,690,920.40/131,480,393.40 = 36,593,269.20/x
  3. Step 3: Cross multiply
    87,690,920.40x = 131,480,393.40 × 36,593,269.20
  4. Step 4: Simplify right side
    87,690,920.40x = 4,811,297,430,208,104
  5. Step 5: Solve for x
    x = 4,811,297,430,208,104/87,690,920.40
  6. Step 6: Final answer
    x = 54,866,540.44

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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.