Home / 87,863,200.89-131,793,334.29-21,390,329.90

Finding the Fourth Proportional to 87,863,200.89, 131,793,334.29 and 21,390,329.90

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Solution

The fourth proportional to 87,863,200.89, 131,793,334.29 and 21,390,329.90 is: 32,085,137.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,863,200.89 : 131,793,334.29 = 21,390,329.90 : x
  2. Step 2: Convert to fraction form
    87,863,200.89/131,793,334.29 = 21,390,329.90/x
  3. Step 3: Cross multiply
    87,863,200.89x = 131,793,334.29 × 21,390,329.90
  4. Step 4: Simplify right side
    87,863,200.89x = 2,819,102,898,425,115.50
  5. Step 5: Solve for x
    x = 2,819,102,898,425,115.50/87,863,200.89
  6. Step 6: Final answer
    x = 32,085,137.69

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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.