Home / 198,375,761.12-273,761,824.08-109,071,478.56

Finding the Fourth Proportional to 198,375,761.12, 273,761,824.08 and 109,071,478.56

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Solution

The fourth proportional to 198,375,761.12, 273,761,824.08 and 109,071,478.56 is: 150,520,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,375,761.12 : 273,761,824.08 = 109,071,478.56 : x
  2. Step 2: Convert to fraction form
    198,375,761.12/273,761,824.08 = 109,071,478.56/x
  3. Step 3: Cross multiply
    198,375,761.12x = 273,761,824.08 × 109,071,478.56
  4. Step 4: Simplify right side
    198,375,761.12x = 29,859,606,925,688,212
  5. Step 5: Solve for x
    x = 29,859,606,925,688,212/198,375,761.12
  6. Step 6: Final answer
    x = 150,520,440.39

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.