Home / 449,025,645.96-673,540,123.50-138,131,107.92

Finding the Fourth Proportional to 449,025,645.96, 673,540,123.50 and 138,131,107.92

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Solution

The fourth proportional to 449,025,645.96, 673,540,123.50 and 138,131,107.92 is: 207,197,170.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,025,645.96 : 673,540,123.50 = 138,131,107.92 : x
  2. Step 2: Convert to fraction form
    449,025,645.96/673,540,123.50 = 138,131,107.92/x
  3. Step 3: Cross multiply
    449,025,645.96x = 673,540,123.50 × 138,131,107.92
  4. Step 4: Simplify right side
    449,025,645.96x = 93,036,843,487,628,624
  5. Step 5: Solve for x
    x = 93,036,843,487,628,624/449,025,645.96
  6. Step 6: Final answer
    x = 207,197,170.86

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