Home / 87,328,281.80-131,004,086.70-29,806,099.40

Finding the Fourth Proportional to 87,328,281.80, 131,004,086.70 and 29,806,099.40

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Solution

The fourth proportional to 87,328,281.80, 131,004,086.70 and 29,806,099.40 is: 44,713,130.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,328,281.80 : 131,004,086.70 = 29,806,099.40 : x
  2. Step 2: Convert to fraction form
    87,328,281.80/131,004,086.70 = 29,806,099.40/x
  3. Step 3: Cross multiply
    87,328,281.80x = 131,004,086.70 × 29,806,099.40
  4. Step 4: Simplify right side
    87,328,281.80x = 3,904,720,829,986,418
  5. Step 5: Solve for x
    x = 3,904,720,829,986,418/87,328,281.80
  6. Step 6: Final answer
    x = 44,713,130.15

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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.