Home / 253,694,010.30-380,541,015.45-132,509,715.90

Finding the Fourth Proportional to 253,694,010.30, 380,541,015.45 and 132,509,715.90

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Solution

The fourth proportional to 253,694,010.30, 380,541,015.45 and 132,509,715.90 is: 198,764,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,694,010.30 : 380,541,015.45 = 132,509,715.90 : x
  2. Step 2: Convert to fraction form
    253,694,010.30/380,541,015.45 = 132,509,715.90/x
  3. Step 3: Cross multiply
    253,694,010.30x = 380,541,015.45 × 132,509,715.90
  4. Step 4: Simplify right side
    253,694,010.30x = 50,425,381,845,577,008
  5. Step 5: Solve for x
    x = 50,425,381,845,577,008/253,694,010.30
  6. Step 6: Final answer
    x = 198,764,573.85

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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.