Home / 87,328,285.80-131,004,092.70-29,806,103.40

Finding the Fourth Proportional to 87,328,285.80, 131,004,092.70 and 29,806,103.40

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Solution

The fourth proportional to 87,328,285.80, 131,004,092.70 and 29,806,103.40 is: 44,713,136.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,328,285.80 : 131,004,092.70 = 29,806,103.40 : x
  2. Step 2: Convert to fraction form
    87,328,285.80/131,004,092.70 = 29,806,103.40/x
  3. Step 3: Cross multiply
    87,328,285.80x = 131,004,092.70 × 29,806,103.40
  4. Step 4: Simplify right side
    87,328,285.80x = 3,904,721,532,839,385
  5. Step 5: Solve for x
    x = 3,904,721,532,839,385/87,328,285.80
  6. Step 6: Final answer
    x = 44,713,136.15

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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.