Home / 394,558,981.20-591,875,796.60-107,344,645.20

Finding the Fourth Proportional to 394,558,981.20, 591,875,796.60 and 107,344,645.20

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Solution

The fourth proportional to 394,558,981.20, 591,875,796.60 and 107,344,645.20 is: 161,027,122.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,558,981.20 : 591,875,796.60 = 107,344,645.20 : x
  2. Step 2: Convert to fraction form
    394,558,981.20/591,875,796.60 = 107,344,645.20/x
  3. Step 3: Cross multiply
    394,558,981.20x = 591,875,796.60 × 107,344,645.20
  4. Step 4: Simplify right side
    394,558,981.20x = 63,534,697,388,494,368
  5. Step 5: Solve for x
    x = 63,534,697,388,494,368/394,558,981.20
  6. Step 6: Final answer
    x = 161,027,122.47

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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.