Home / 68,941,336.82-95,139,021.62-38,002,022.78

Finding the Fourth Proportional to 68,941,336.82, 95,139,021.62 and 38,002,022.78

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Solution

The fourth proportional to 68,941,336.82, 95,139,021.62 and 38,002,022.78 is: 52,442,778.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,941,336.82 : 95,139,021.62 = 38,002,022.78 : x
  2. Step 2: Convert to fraction form
    68,941,336.82/95,139,021.62 = 38,002,022.78/x
  3. Step 3: Cross multiply
    68,941,336.82x = 95,139,021.62 × 38,002,022.78
  4. Step 4: Simplify right side
    68,941,336.82x = 3,615,475,266,489,614
  5. Step 5: Solve for x
    x = 3,615,475,266,489,614/68,941,336.82
  6. Step 6: Final answer
    x = 52,442,778.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.