Home / 318,560,180.11-439,635,143.23-193,117,663.44

Finding the Fourth Proportional to 318,560,180.11, 439,635,143.23 and 193,117,663.44

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Solution

The fourth proportional to 318,560,180.11, 439,635,143.23 and 193,117,663.44 is: 266,515,769.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,560,180.11 : 439,635,143.23 = 193,117,663.44 : x
  2. Step 2: Convert to fraction form
    318,560,180.11/439,635,143.23 = 193,117,663.44/x
  3. Step 3: Cross multiply
    318,560,180.11x = 439,635,143.23 × 193,117,663.44
  4. Step 4: Simplify right side
    318,560,180.11x = 84,901,311,626,204,544
  5. Step 5: Solve for x
    x = 84,901,311,626,204,544/318,560,180.11
  6. Step 6: Final answer
    x = 266,515,769.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.