Home / 178,253,999.70-267,380,999.55-123,834,441.30

Finding the Fourth Proportional to 178,253,999.70, 267,380,999.55 and 123,834,441.30

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Solution

The fourth proportional to 178,253,999.70, 267,380,999.55 and 123,834,441.30 is: 185,751,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,253,999.70 : 267,380,999.55 = 123,834,441.30 : x
  2. Step 2: Convert to fraction form
    178,253,999.70/267,380,999.55 = 123,834,441.30/x
  3. Step 3: Cross multiply
    178,253,999.70x = 267,380,999.55 × 123,834,441.30
  4. Step 4: Simplify right side
    178,253,999.70x = 33,110,976,693,509,804
  5. Step 5: Solve for x
    x = 33,110,976,693,509,804/178,253,999.70
  6. Step 6: Final answer
    x = 185,751,661.95

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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.