Home / 82,514,686.70-123,681,634.05-41,508,728.30

Finding the Fourth Proportional to 82,514,686.70, 123,681,634.05 and 41,508,728.30

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Solution

The fourth proportional to 82,514,686.70, 123,681,634.05 and 41,508,728.30 is: 62,217,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,514,686.70 : 123,681,634.05 = 41,508,728.30 : x
  2. Step 2: Convert to fraction form
    82,514,686.70/123,681,634.05 = 41,508,728.30/x
  3. Step 3: Cross multiply
    82,514,686.70x = 123,681,634.05 × 41,508,728.30
  4. Step 4: Simplify right side
    82,514,686.70x = 5,133,867,343,481,478
  5. Step 5: Solve for x
    x = 5,133,867,343,481,478/82,514,686.70
  6. Step 6: Final answer
    x = 62,217,619.05

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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.