Home / 269,040,343.20-403,560,514.80-74,981,709.60

Finding the Fourth Proportional to 269,040,343.20, 403,560,514.80 and 74,981,709.60

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Solution

The fourth proportional to 269,040,343.20, 403,560,514.80 and 74,981,709.60 is: 112,472,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,040,343.20 : 403,560,514.80 = 74,981,709.60 : x
  2. Step 2: Convert to fraction form
    269,040,343.20/403,560,514.80 = 74,981,709.60/x
  3. Step 3: Cross multiply
    269,040,343.20x = 403,560,514.80 × 74,981,709.60
  4. Step 4: Simplify right side
    269,040,343.20x = 30,259,657,326,760,100
  5. Step 5: Solve for x
    x = 30,259,657,326,760,100/269,040,343.20
  6. Step 6: Final answer
    x = 112,472,564.40

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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.