Home / 55,274,708.44-82,922,689.86-21,193,396.48

Finding the Fourth Proportional to 55,274,708.44, 82,922,689.86 and 21,193,396.48

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Solution

The fourth proportional to 55,274,708.44, 82,922,689.86 and 21,193,396.48 is: 31,794,169.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,274,708.44 : 82,922,689.86 = 21,193,396.48 : x
  2. Step 2: Convert to fraction form
    55,274,708.44/82,922,689.86 = 21,193,396.48/x
  3. Step 3: Cross multiply
    55,274,708.44x = 82,922,689.86 × 21,193,396.48
  4. Step 4: Simplify right side
    55,274,708.44x = 1,757,413,443,391,055.75
  5. Step 5: Solve for x
    x = 1,757,413,443,391,055.75/55,274,708.44
  6. Step 6: Final answer
    x = 31,794,169.39

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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.