Home / 231,278,900.28-319,236,350.28-148,772,685.04

Finding the Fourth Proportional to 231,278,900.28, 319,236,350.28 and 148,772,685.04

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Solution

The fourth proportional to 231,278,900.28, 319,236,350.28 and 148,772,685.04 is: 205,352,277.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,278,900.28 : 319,236,350.28 = 148,772,685.04 : x
  2. Step 2: Convert to fraction form
    231,278,900.28/319,236,350.28 = 148,772,685.04/x
  3. Step 3: Cross multiply
    231,278,900.28x = 319,236,350.28 × 148,772,685.04
  4. Step 4: Simplify right side
    231,278,900.28x = 47,493,648,993,525,552
  5. Step 5: Solve for x
    x = 47,493,648,993,525,552/231,278,900.28
  6. Step 6: Final answer
    x = 205,352,277.86

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Why These Related Problems?

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