Home / 54,752,906.81-75,567,310.66-31,231,328.15

Finding the Fourth Proportional to 54,752,906.81, 75,567,310.66 and 31,231,328.15

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Solution

The fourth proportional to 54,752,906.81, 75,567,310.66 and 31,231,328.15 is: 43,103,966.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,752,906.81 : 75,567,310.66 = 31,231,328.15 : x
  2. Step 2: Convert to fraction form
    54,752,906.81/75,567,310.66 = 31,231,328.15/x
  3. Step 3: Cross multiply
    54,752,906.81x = 75,567,310.66 × 31,231,328.15
  4. Step 4: Simplify right side
    54,752,906.81x = 2,360,067,476,863,410.50
  5. Step 5: Solve for x
    x = 2,360,067,476,863,410.50/54,752,906.81
  6. Step 6: Final answer
    x = 43,103,966.79

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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.