Home / 263,473,335.20-394,926,567.60-99,647,789.60

Finding the Fourth Proportional to 263,473,335.20, 394,926,567.60 and 99,647,789.60

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Solution

The fourth proportional to 263,473,335.20, 394,926,567.60 and 99,647,789.60 is: 149,364,486.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,473,335.20 : 394,926,567.60 = 99,647,789.60 : x
  2. Step 2: Convert to fraction form
    263,473,335.20/394,926,567.60 = 99,647,789.60/x
  3. Step 3: Cross multiply
    263,473,335.20x = 394,926,567.60 × 99,647,789.60
  4. Step 4: Simplify right side
    263,473,335.20x = 39,353,559,515,654,976
  5. Step 5: Solve for x
    x = 39,353,559,515,654,976/263,473,335.20
  6. Step 6: Final answer
    x = 149,364,486.87

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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.