Home / 263,555,501.40-395,253,658.96-79,274,057.70

Finding the Fourth Proportional to 263,555,501.40, 395,253,658.96 and 79,274,057.70

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Solution

The fourth proportional to 263,555,501.40, 395,253,658.96 and 79,274,057.70 is: 118,887,145.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,555,501.40 : 395,253,658.96 = 79,274,057.70 : x
  2. Step 2: Convert to fraction form
    263,555,501.40/395,253,658.96 = 79,274,057.70/x
  3. Step 3: Cross multiply
    263,555,501.40x = 395,253,658.96 × 79,274,057.70
  4. Step 4: Simplify right side
    263,555,501.40x = 31,333,361,366,531,160
  5. Step 5: Solve for x
    x = 31,333,361,366,531,160/263,555,501.40
  6. Step 6: Final answer
    x = 118,887,145.97

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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.