Home / 107,636,321.33-161,517,144.60-45,383,731.92

Finding the Fourth Proportional to 107,636,321.33, 161,517,144.60 and 45,383,731.92

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Solution

The fourth proportional to 107,636,321.33, 161,517,144.60 and 45,383,731.92 is: 68,102,018.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,636,321.33 : 161,517,144.60 = 45,383,731.92 : x
  2. Step 2: Convert to fraction form
    107,636,321.33/161,517,144.60 = 45,383,731.92/x
  3. Step 3: Cross multiply
    107,636,321.33x = 161,517,144.60 × 45,383,731.92
  4. Step 4: Simplify right side
    107,636,321.33x = 7,330,250,791,010,276
  5. Step 5: Solve for x
    x = 7,330,250,791,010,276/107,636,321.33
  6. Step 6: Final answer
    x = 68,102,018.91

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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.