Home / 263,473,342.20-394,926,578.10-99,647,796.60

Finding the Fourth Proportional to 263,473,342.20, 394,926,578.10 and 99,647,796.60

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Solution

The fourth proportional to 263,473,342.20, 394,926,578.10 and 99,647,796.60 is: 149,364,497.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,473,342.20 : 394,926,578.10 = 99,647,796.60 : x
  2. Step 2: Convert to fraction form
    263,473,342.20/394,926,578.10 = 99,647,796.60/x
  3. Step 3: Cross multiply
    263,473,342.20x = 394,926,578.10 × 99,647,796.60
  4. Step 4: Simplify right side
    263,473,342.20x = 39,353,563,326,442,816
  5. Step 5: Solve for x
    x = 39,353,563,326,442,816/263,473,342.20
  6. Step 6: Final answer
    x = 149,364,497.36

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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.