Home / 87,863,202.77-131,793,337.10-21,390,331.77

Finding the Fourth Proportional to 87,863,202.77, 131,793,337.10 and 21,390,331.77

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Solution

The fourth proportional to 87,863,202.77, 131,793,337.10 and 21,390,331.77 is: 32,085,140.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,863,202.77 : 131,793,337.10 = 21,390,331.77 : x
  2. Step 2: Convert to fraction form
    87,863,202.77/131,793,337.10 = 21,390,331.77/x
  3. Step 3: Cross multiply
    87,863,202.77x = 131,793,337.10 × 21,390,331.77
  4. Step 4: Simplify right side
    87,863,202.77x = 2,819,103,205,697,925.50
  5. Step 5: Solve for x
    x = 2,819,103,205,697,925.50/87,863,202.77
  6. Step 6: Final answer
    x = 32,085,140.50

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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.