Home / 81,777,560.14-122,667,408.67-27,190,145.66

Finding the Fourth Proportional to 81,777,560.14, 122,667,408.67 and 27,190,145.66

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Solution

The fourth proportional to 81,777,560.14, 122,667,408.67 and 27,190,145.66 is: 40,785,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,777,560.14 : 122,667,408.67 = 27,190,145.66 : x
  2. Step 2: Convert to fraction form
    81,777,560.14/122,667,408.67 = 27,190,145.66/x
  3. Step 3: Cross multiply
    81,777,560.14x = 122,667,408.67 × 27,190,145.66
  4. Step 4: Simplify right side
    81,777,560.14x = 3,335,344,709,506,034.50
  5. Step 5: Solve for x
    x = 3,335,344,709,506,034.50/81,777,560.14
  6. Step 6: Final answer
    x = 40,785,573.74

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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.