Home / 394,558,348.20-591,874,847.10-107,344,012.20

Finding the Fourth Proportional to 394,558,348.20, 591,874,847.10 and 107,344,012.20

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Solution

The fourth proportional to 394,558,348.20, 591,874,847.10 and 107,344,012.20 is: 161,026,172.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,558,348.20 : 591,874,847.10 = 107,344,012.20 : x
  2. Step 2: Convert to fraction form
    394,558,348.20/591,874,847.10 = 107,344,012.20/x
  3. Step 3: Cross multiply
    394,558,348.20x = 591,874,847.10 × 107,344,012.20
  4. Step 4: Simplify right side
    394,558,348.20x = 63,534,220,807,975,536
  5. Step 5: Solve for x
    x = 63,534,220,807,975,536/394,558,348.20
  6. Step 6: Final answer
    x = 161,026,172.93

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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.