Home / 81,960,857.29-122,906,289.57-47,441,086.29

Finding the Fourth Proportional to 81,960,857.29, 122,906,289.57 and 47,441,086.29

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Solution

The fourth proportional to 81,960,857.29, 122,906,289.57 and 47,441,086.29 is: 71,141,372.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,960,857.29 : 122,906,289.57 = 47,441,086.29 : x
  2. Step 2: Convert to fraction form
    81,960,857.29/122,906,289.57 = 47,441,086.29/x
  3. Step 3: Cross multiply
    81,960,857.29x = 122,906,289.57 × 47,441,086.29
  4. Step 4: Simplify right side
    81,960,857.29x = 5,830,807,888,672,500
  5. Step 5: Solve for x
    x = 5,830,807,888,672,500/81,960,857.29
  6. Step 6: Final answer
    x = 71,141,372.62

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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.