Home / 81,422,520.60-122,133,780.90-27,569,832.60

Finding the Fourth Proportional to 81,422,520.60, 122,133,780.90 and 27,569,832.60

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Solution

The fourth proportional to 81,422,520.60, 122,133,780.90 and 27,569,832.60 is: 41,354,748.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,422,520.60 : 122,133,780.90 = 27,569,832.60 : x
  2. Step 2: Convert to fraction form
    81,422,520.60/122,133,780.90 = 27,569,832.60/x
  3. Step 3: Cross multiply
    81,422,520.60x = 122,133,780.90 × 27,569,832.60
  4. Step 4: Simplify right side
    81,422,520.60x = 3,367,207,894,218,077.50
  5. Step 5: Solve for x
    x = 3,367,207,894,218,077.50/81,422,520.60
  6. Step 6: Final answer
    x = 41,354,748.90

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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.