Home / 69,404,034.24-104,085,067.08-20,869,003.92

Finding the Fourth Proportional to 69,404,034.24, 104,085,067.08 and 20,869,003.92

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Solution

The fourth proportional to 69,404,034.24, 104,085,067.08 and 20,869,003.92 is: 31,297,196.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,404,034.24 : 104,085,067.08 = 20,869,003.92 : x
  2. Step 2: Convert to fraction form
    69,404,034.24/104,085,067.08 = 20,869,003.92/x
  3. Step 3: Cross multiply
    69,404,034.24x = 104,085,067.08 × 20,869,003.92
  4. Step 4: Simplify right side
    69,404,034.24x = 2,172,151,672,905,983
  5. Step 5: Solve for x
    x = 2,172,151,672,905,983/69,404,034.24
  6. Step 6: Final answer
    x = 31,297,196.15

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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.