Home / 54,245,443.60-74,787,479.56-39,145,020.48

Finding the Fourth Proportional to 54,245,443.60, 74,787,479.56 and 39,145,020.48

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Solution

The fourth proportional to 54,245,443.60, 74,787,479.56 and 39,145,020.48 is: 53,968,724.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,245,443.60 : 74,787,479.56 = 39,145,020.48 : x
  2. Step 2: Convert to fraction form
    54,245,443.60/74,787,479.56 = 39,145,020.48/x
  3. Step 3: Cross multiply
    54,245,443.60x = 74,787,479.56 × 39,145,020.48
  4. Step 4: Simplify right side
    54,245,443.60x = 2,927,557,419,023,781
  5. Step 5: Solve for x
    x = 2,927,557,419,023,781/54,245,443.60
  6. Step 6: Final answer
    x = 53,968,724.83

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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.