Home / 394,015,998.80-591,023,998.20-106,801,662.80

Finding the Fourth Proportional to 394,015,998.80, 591,023,998.20 and 106,801,662.80

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Solution

The fourth proportional to 394,015,998.80, 591,023,998.20 and 106,801,662.80 is: 160,202,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,015,998.80 : 591,023,998.20 = 106,801,662.80 : x
  2. Step 2: Convert to fraction form
    394,015,998.80/591,023,998.20 = 106,801,662.80/x
  3. Step 3: Cross multiply
    394,015,998.80x = 591,023,998.20 × 106,801,662.80
  4. Step 4: Simplify right side
    394,015,998.80x = 63,122,345,762,464,208
  5. Step 5: Solve for x
    x = 63,122,345,762,464,208/394,015,998.80
  6. Step 6: Final answer
    x = 160,202,494.20

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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.