Home / 54,752,909.82-75,567,314.79-31,231,331.16

Finding the Fourth Proportional to 54,752,909.82, 75,567,314.79 and 31,231,331.16

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Solution

The fourth proportional to 54,752,909.82, 75,567,314.79 and 31,231,331.16 is: 43,103,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,752,909.82 : 75,567,314.79 = 31,231,331.16 : x
  2. Step 2: Convert to fraction form
    54,752,909.82/75,567,314.79 = 31,231,331.16/x
  3. Step 3: Cross multiply
    54,752,909.82x = 75,567,314.79 × 31,231,331.16
  4. Step 4: Simplify right side
    54,752,909.82x = 2,360,067,833,078,456
  5. Step 5: Solve for x
    x = 2,360,067,833,078,456/54,752,909.82
  6. Step 6: Final answer
    x = 43,103,970.93

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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.