Home / 263,314,153.66-394,921,850.65-132,121,203.79

Finding the Fourth Proportional to 263,314,153.66, 394,921,850.65 and 132,121,203.79

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Solution

The fourth proportional to 263,314,153.66, 394,921,850.65 and 132,121,203.79 is: 198,157,028.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,314,153.66 : 394,921,850.65 = 132,121,203.79 : x
  2. Step 2: Convert to fraction form
    263,314,153.66/394,921,850.65 = 132,121,203.79/x
  3. Step 3: Cross multiply
    263,314,153.66x = 394,921,850.65 × 132,121,203.79
  4. Step 4: Simplify right side
    263,314,153.66x = 52,177,550,308,877,984
  5. Step 5: Solve for x
    x = 52,177,550,308,877,984/263,314,153.66
  6. Step 6: Final answer
    x = 198,157,028.72

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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.