Home / 308,494,478.30-425,723,188.50-167,365,691.40

Finding the Fourth Proportional to 308,494,478.30, 425,723,188.50 and 167,365,691.40

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Solution

The fourth proportional to 308,494,478.30, 425,723,188.50 and 167,365,691.40 is: 230,965,092.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,494,478.30 : 425,723,188.50 = 167,365,691.40 : x
  2. Step 2: Convert to fraction form
    308,494,478.30/425,723,188.50 = 167,365,691.40/x
  3. Step 3: Cross multiply
    308,494,478.30x = 425,723,188.50 × 167,365,691.40
  4. Step 4: Simplify right side
    308,494,478.30x = 71,251,455,787,346,200
  5. Step 5: Solve for x
    x = 71,251,455,787,346,200/308,494,478.30
  6. Step 6: Final answer
    x = 230,965,092.73

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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.