Home / 308,494,539.90-425,723,273.55-167,365,753.20

Finding the Fourth Proportional to 308,494,539.90, 425,723,273.55 and 167,365,753.20

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Solution

The fourth proportional to 308,494,539.90, 425,723,273.55 and 167,365,753.20 is: 230,965,178.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,494,539.90 : 425,723,273.55 = 167,365,753.20 : x
  2. Step 2: Convert to fraction form
    308,494,539.90/425,723,273.55 = 167,365,753.20/x
  3. Step 3: Cross multiply
    308,494,539.90x = 425,723,273.55 × 167,365,753.20
  4. Step 4: Simplify right side
    308,494,539.90x = 71,251,496,332,465,384
  5. Step 5: Solve for x
    x = 71,251,496,332,465,384/308,494,539.90
  6. Step 6: Final answer
    x = 230,965,178.04

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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.