Home / 220,729,937.41-331,083,899.80-82,545,385.33

Finding the Fourth Proportional to 220,729,937.41, 331,083,899.80 and 82,545,385.33

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Solution

The fourth proportional to 220,729,937.41, 331,083,899.80 and 82,545,385.33 is: 123,813,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,729,937.41 : 331,083,899.80 = 82,545,385.33 : x
  2. Step 2: Convert to fraction form
    220,729,937.41/331,083,899.80 = 82,545,385.33/x
  3. Step 3: Cross multiply
    220,729,937.41x = 331,083,899.80 × 82,545,385.33
  4. Step 4: Simplify right side
    220,729,937.41x = 27,329,448,086,222,492
  5. Step 5: Solve for x
    x = 27,329,448,086,222,492/220,729,937.41
  6. Step 6: Final answer
    x = 123,813,962.02

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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.