Home / 263,555,505.40-395,253,664.96-79,274,061.70

Finding the Fourth Proportional to 263,555,505.40, 395,253,664.96 and 79,274,061.70

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Solution

The fourth proportional to 263,555,505.40, 395,253,664.96 and 79,274,061.70 is: 118,887,151.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,555,505.40 : 395,253,664.96 = 79,274,061.70 : x
  2. Step 2: Convert to fraction form
    263,555,505.40/395,253,664.96 = 79,274,061.70/x
  3. Step 3: Cross multiply
    263,555,505.40x = 395,253,664.96 × 79,274,061.70
  4. Step 4: Simplify right side
    263,555,505.40x = 31,333,363,423,190,168
  5. Step 5: Solve for x
    x = 31,333,363,423,190,168/263,555,505.40
  6. Step 6: Final answer
    x = 118,887,151.97

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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.