Home / 263,422,012.14-394,979,860.44-99,672,397.56

Finding the Fourth Proportional to 263,422,012.14, 394,979,860.44 and 99,672,397.56

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Solution

The fourth proportional to 263,422,012.14, 394,979,860.44 and 99,672,397.56 is: 149,450,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,422,012.14 : 394,979,860.44 = 99,672,397.56 : x
  2. Step 2: Convert to fraction form
    263,422,012.14/394,979,860.44 = 99,672,397.56/x
  3. Step 3: Cross multiply
    263,422,012.14x = 394,979,860.44 × 99,672,397.56
  4. Step 4: Simplify right side
    263,422,012.14x = 39,368,589,677,969,000
  5. Step 5: Solve for x
    x = 39,368,589,677,969,000/263,422,012.14
  6. Step 6: Final answer
    x = 149,450,645.21

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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.