Home / 81,777,562.14-122,667,411.68-27,190,147.66

Finding the Fourth Proportional to 81,777,562.14, 122,667,411.68 and 27,190,147.66

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Solution

The fourth proportional to 81,777,562.14, 122,667,411.68 and 27,190,147.66 is: 40,785,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,777,562.14 : 122,667,411.68 = 27,190,147.66 : x
  2. Step 2: Convert to fraction form
    81,777,562.14/122,667,411.68 = 27,190,147.66/x
  3. Step 3: Cross multiply
    81,777,562.14x = 122,667,411.68 × 27,190,147.66
  4. Step 4: Simplify right side
    81,777,562.14x = 3,335,345,036,649,209
  5. Step 5: Solve for x
    x = 3,335,345,036,649,209/81,777,562.14
  6. Step 6: Final answer
    x = 40,785,576.74

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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.