Home / 54,580,331.40-81,621,826.92-40,756,997.40

Finding the Fourth Proportional to 54,580,331.40, 81,621,826.92 and 40,756,997.40

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Solution

The fourth proportional to 54,580,331.40, 81,621,826.92 and 40,756,997.40 is: 60,949,805.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,580,331.40 : 81,621,826.92 = 40,756,997.40 : x
  2. Step 2: Convert to fraction form
    54,580,331.40/81,621,826.92 = 40,756,997.40/x
  3. Step 3: Cross multiply
    54,580,331.40x = 81,621,826.92 × 40,756,997.40
  4. Step 4: Simplify right side
    54,580,331.40x = 3,326,660,587,561,690
  5. Step 5: Solve for x
    x = 3,326,660,587,561,690/54,580,331.40
  6. Step 6: Final answer
    x = 60,949,805.58

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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.