Home / 82,295,408.43-123,356,700.81-27,689,035.55

Finding the Fourth Proportional to 82,295,408.43, 123,356,700.81 and 27,689,035.55

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Solution

The fourth proportional to 82,295,408.43, 123,356,700.81 and 27,689,035.55 is: 41,504,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,295,408.43 : 123,356,700.81 = 27,689,035.55 : x
  2. Step 2: Convert to fraction form
    82,295,408.43/123,356,700.81 = 27,689,035.55/x
  3. Step 3: Cross multiply
    82,295,408.43x = 123,356,700.81 × 27,689,035.55
  4. Step 4: Simplify right side
    82,295,408.43x = 3,415,628,073,442,020.50
  5. Step 5: Solve for x
    x = 3,415,628,073,442,020.50/82,295,408.43
  6. Step 6: Final answer
    x = 41,504,479.27

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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.