Home / 220,729,936.88-331,083,899.32-82,545,384.88

Finding the Fourth Proportional to 220,729,936.88, 331,083,899.32 and 82,545,384.88

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Solution

The fourth proportional to 220,729,936.88, 331,083,899.32 and 82,545,384.88 is: 123,813,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,729,936.88 : 331,083,899.32 = 82,545,384.88 : x
  2. Step 2: Convert to fraction form
    220,729,936.88/331,083,899.32 = 82,545,384.88/x
  3. Step 3: Cross multiply
    220,729,936.88x = 331,083,899.32 × 82,545,384.88
  4. Step 4: Simplify right side
    220,729,936.88x = 27,329,447,896,940,568
  5. Step 5: Solve for x
    x = 27,329,447,896,940,568/220,729,936.88
  6. Step 6: Final answer
    x = 123,813,961.46

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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.