Home / 279,819,089.04-386,151,028.20-156,067,781.52

Finding the Fourth Proportional to 279,819,089.04, 386,151,028.20 and 156,067,781.52

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Solution

The fourth proportional to 279,819,089.04, 386,151,028.20 and 156,067,781.52 is: 215,373,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,819,089.04 : 386,151,028.20 = 156,067,781.52 : x
  2. Step 2: Convert to fraction form
    279,819,089.04/386,151,028.20 = 156,067,781.52/x
  3. Step 3: Cross multiply
    279,819,089.04x = 386,151,028.20 × 156,067,781.52
  4. Step 4: Simplify right side
    279,819,089.04x = 60,265,734,302,840,960
  5. Step 5: Solve for x
    x = 60,265,734,302,840,960/279,819,089.04
  6. Step 6: Final answer
    x = 215,373,920.73

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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.