Home / 87,307,996.80-130,961,995.20-36,173,020.80

Finding the Fourth Proportional to 87,307,996.80, 130,961,995.20 and 36,173,020.80

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Solution

The fourth proportional to 87,307,996.80, 130,961,995.20 and 36,173,020.80 is: 54,259,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,307,996.80 : 130,961,995.20 = 36,173,020.80 : x
  2. Step 2: Convert to fraction form
    87,307,996.80/130,961,995.20 = 36,173,020.80/x
  3. Step 3: Cross multiply
    87,307,996.80x = 130,961,995.20 × 36,173,020.80
  4. Step 4: Simplify right side
    87,307,996.80x = 4,737,290,976,379,100
  5. Step 5: Solve for x
    x = 4,737,290,976,379,100/87,307,996.80
  6. Step 6: Final answer
    x = 54,259,531.20

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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.