Home / 87,310,256.80-130,965,385.20-36,175,280.80

Finding the Fourth Proportional to 87,310,256.80, 130,965,385.20 and 36,175,280.80

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Solution

The fourth proportional to 87,310,256.80, 130,965,385.20 and 36,175,280.80 is: 54,262,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,310,256.80 : 130,965,385.20 = 36,175,280.80 : x
  2. Step 2: Convert to fraction form
    87,310,256.80/130,965,385.20 = 36,175,280.80/x
  3. Step 3: Cross multiply
    87,310,256.80x = 130,965,385.20 × 36,175,280.80
  4. Step 4: Simplify right side
    87,310,256.80x = 4,737,709,584,690,164
  5. Step 5: Solve for x
    x = 4,737,709,584,690,164/87,310,256.80
  6. Step 6: Final answer
    x = 54,262,921.20

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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.