Home / 61,245,067.20-91,867,600.80-18,110,428.80

Finding the Fourth Proportional to 61,245,067.20, 91,867,600.80 and 18,110,428.80

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Solution

The fourth proportional to 61,245,067.20, 91,867,600.80 and 18,110,428.80 is: 27,165,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,245,067.20 : 91,867,600.80 = 18,110,428.80 : x
  2. Step 2: Convert to fraction form
    61,245,067.20/91,867,600.80 = 18,110,428.80/x
  3. Step 3: Cross multiply
    61,245,067.20x = 91,867,600.80 × 18,110,428.80
  4. Step 4: Simplify right side
    61,245,067.20x = 1,663,761,643,315,223
  5. Step 5: Solve for x
    x = 1,663,761,643,315,223/61,245,067.20
  6. Step 6: Final answer
    x = 27,165,643.20

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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.