Home / 67,745,936.35-101,622,695.28-21,691,857.07

Finding the Fourth Proportional to 67,745,936.35, 101,622,695.28 and 21,691,857.07

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Solution

The fourth proportional to 67,745,936.35, 101,622,695.28 and 21,691,857.07 is: 32,538,999.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,745,936.35 : 101,622,695.28 = 21,691,857.07 : x
  2. Step 2: Convert to fraction form
    67,745,936.35/101,622,695.28 = 21,691,857.07/x
  3. Step 3: Cross multiply
    67,745,936.35x = 101,622,695.28 × 21,691,857.07
  4. Step 4: Simplify right side
    67,745,936.35x = 2,204,384,981,081,923.75
  5. Step 5: Solve for x
    x = 2,204,384,981,081,923.75/67,745,936.35
  6. Step 6: Final answer
    x = 32,538,999.38

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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.