Home / 263,691,666.41-395,537,291.84-79,459,144.70

Finding the Fourth Proportional to 263,691,666.41, 395,537,291.84 and 79,459,144.70

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Solution

The fourth proportional to 263,691,666.41, 395,537,291.84 and 79,459,144.70 is: 119,188,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,691,666.41 : 395,537,291.84 = 79,459,144.70 : x
  2. Step 2: Convert to fraction form
    263,691,666.41/395,537,291.84 = 79,459,144.70/x
  3. Step 3: Cross multiply
    263,691,666.41x = 395,537,291.84 × 79,459,144.70
  4. Step 4: Simplify right side
    263,691,666.41x = 31,429,054,904,781,644
  5. Step 5: Solve for x
    x = 31,429,054,904,781,644/263,691,666.41
  6. Step 6: Final answer
    x = 119,188,654.44

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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.