Home / 220,729,938.41-331,083,901.30-82,545,386.33

Finding the Fourth Proportional to 220,729,938.41, 331,083,901.30 and 82,545,386.33

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Solution

The fourth proportional to 220,729,938.41, 331,083,901.30 and 82,545,386.33 is: 123,813,963.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,729,938.41 : 331,083,901.30 = 82,545,386.33 : x
  2. Step 2: Convert to fraction form
    220,729,938.41/331,083,901.30 = 82,545,386.33/x
  3. Step 3: Cross multiply
    220,729,938.41x = 331,083,901.30 × 82,545,386.33
  4. Step 4: Simplify right side
    220,729,938.41x = 27,329,448,540,452,088
  5. Step 5: Solve for x
    x = 27,329,448,540,452,088/220,729,938.41
  6. Step 6: Final answer
    x = 123,813,963.51

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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.