Home / 56,548,589.43-78,040,394.44-42,585,309.31

Finding the Fourth Proportional to 56,548,589.43, 78,040,394.44 and 42,585,309.31

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Solution

The fourth proportional to 56,548,589.43, 78,040,394.44 and 42,585,309.31 is: 58,770,242.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,548,589.43 : 78,040,394.44 = 42,585,309.31 : x
  2. Step 2: Convert to fraction form
    56,548,589.43/78,040,394.44 = 42,585,309.31/x
  3. Step 3: Cross multiply
    56,548,589.43x = 78,040,394.44 × 42,585,309.31
  4. Step 4: Simplify right side
    56,548,589.43x = 3,323,374,335,511,602
  5. Step 5: Solve for x
    x = 3,323,374,335,511,602/56,548,589.43
  6. Step 6: Final answer
    x = 58,770,242.88

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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.