Home / 69,914,221.24-104,871,663.78-21,391,997.80

Finding the Fourth Proportional to 69,914,221.24, 104,871,663.78 and 21,391,997.80

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Solution

The fourth proportional to 69,914,221.24, 104,871,663.78 and 21,391,997.80 is: 32,088,098.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,914,221.24 : 104,871,663.78 = 21,391,997.80 : x
  2. Step 2: Convert to fraction form
    69,914,221.24/104,871,663.78 = 21,391,997.80/x
  3. Step 3: Cross multiply
    69,914,221.24x = 104,871,663.78 × 21,391,997.80
  4. Step 4: Simplify right side
    69,914,221.24x = 2,243,414,400,864,099.75
  5. Step 5: Solve for x
    x = 2,243,414,400,864,099.75/69,914,221.24
  6. Step 6: Final answer
    x = 32,088,098.26

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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.