Home / 67,745,935.35-101,622,693.78-21,691,856.07

Finding the Fourth Proportional to 67,745,935.35, 101,622,693.78 and 21,691,856.07

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Solution

The fourth proportional to 67,745,935.35, 101,622,693.78 and 21,691,856.07 is: 32,538,997.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,745,935.35 : 101,622,693.78 = 21,691,856.07 : x
  2. Step 2: Convert to fraction form
    67,745,935.35/101,622,693.78 = 21,691,856.07/x
  3. Step 3: Cross multiply
    67,745,935.35x = 101,622,693.78 × 21,691,856.07
  4. Step 4: Simplify right side
    67,745,935.35x = 2,204,384,846,921,444.25
  5. Step 5: Solve for x
    x = 2,204,384,846,921,444.25/67,745,935.35
  6. Step 6: Final answer
    x = 32,538,997.88

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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.