Home / 449,269,902.24-673,945,979.76-126,151,596.96

Finding the Fourth Proportional to 449,269,902.24, 673,945,979.76 and 126,151,596.96

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Solution

The fourth proportional to 449,269,902.24, 673,945,979.76 and 126,151,596.96 is: 189,238,943.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,269,902.24 : 673,945,979.76 = 126,151,596.96 : x
  2. Step 2: Convert to fraction form
    449,269,902.24/673,945,979.76 = 126,151,596.96/x
  3. Step 3: Cross multiply
    449,269,902.24x = 673,945,979.76 × 126,151,596.96
  4. Step 4: Simplify right side
    449,269,902.24x = 85,019,361,611,495,824
  5. Step 5: Solve for x
    x = 85,019,361,611,495,824/449,269,902.24
  6. Step 6: Final answer
    x = 189,238,943.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.