Home / 84,462,680.60-126,945,963.30-82,951,026.20

Finding the Fourth Proportional to 84,462,680.60, 126,945,963.30 and 82,951,026.20

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Solution

The fourth proportional to 84,462,680.60, 126,945,963.30 and 82,951,026.20 is: 124,673,972.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,462,680.60 : 126,945,963.30 = 82,951,026.20 : x
  2. Step 2: Convert to fraction form
    84,462,680.60/126,945,963.30 = 82,951,026.20/x
  3. Step 3: Cross multiply
    84,462,680.60x = 126,945,963.30 × 82,951,026.20
  4. Step 4: Simplify right side
    84,462,680.60x = 10,530,297,927,682,538
  5. Step 5: Solve for x
    x = 10,530,297,927,682,538/84,462,680.60
  6. Step 6: Final answer
    x = 124,673,972.61

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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.