Home / 82,514,687.70-123,681,635.55-41,508,729.30

Finding the Fourth Proportional to 82,514,687.70, 123,681,635.55 and 41,508,729.30

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Solution

The fourth proportional to 82,514,687.70, 123,681,635.55 and 41,508,729.30 is: 62,217,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,514,687.70 : 123,681,635.55 = 41,508,729.30 : x
  2. Step 2: Convert to fraction form
    82,514,687.70/123,681,635.55 = 41,508,729.30/x
  3. Step 3: Cross multiply
    82,514,687.70x = 123,681,635.55 × 41,508,729.30
  4. Step 4: Simplify right side
    82,514,687.70x = 5,133,867,529,426,206
  5. Step 5: Solve for x
    x = 5,133,867,529,426,206/82,514,687.70
  6. Step 6: Final answer
    x = 62,217,620.55

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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.