Home / 155,279,865.30-232,721,983.80-82,531,497.30

Finding the Fourth Proportional to 155,279,865.30, 232,721,983.80 and 82,531,497.30

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Solution

The fourth proportional to 155,279,865.30, 232,721,983.80 and 82,531,497.30 is: 123,692,107.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,279,865.30 : 232,721,983.80 = 82,531,497.30 : x
  2. Step 2: Convert to fraction form
    155,279,865.30/232,721,983.80 = 82,531,497.30/x
  3. Step 3: Cross multiply
    155,279,865.30x = 232,721,983.80 × 82,531,497.30
  4. Step 4: Simplify right side
    155,279,865.30x = 19,206,893,777,640,344
  5. Step 5: Solve for x
    x = 19,206,893,777,640,344/155,279,865.30
  6. Step 6: Final answer
    x = 123,692,107.41

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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.