Home / 263,314,152.66-394,921,849.15-132,121,202.79

Finding the Fourth Proportional to 263,314,152.66, 394,921,849.15 and 132,121,202.79

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Solution

The fourth proportional to 263,314,152.66, 394,921,849.15 and 132,121,202.79 is: 198,157,027.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,314,152.66 : 394,921,849.15 = 132,121,202.79 : x
  2. Step 2: Convert to fraction form
    263,314,152.66/394,921,849.15 = 132,121,202.79/x
  3. Step 3: Cross multiply
    263,314,152.66x = 394,921,849.15 × 132,121,202.79
  4. Step 4: Simplify right side
    263,314,152.66x = 52,177,549,716,135,880
  5. Step 5: Solve for x
    x = 52,177,549,716,135,880/263,314,152.66
  6. Step 6: Final answer
    x = 198,157,027.22

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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.