Home / 56,074,517.88-77,381,098.38-31,627,879.80

Finding the Fourth Proportional to 56,074,517.88, 77,381,098.38 and 31,627,879.80

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Solution

The fourth proportional to 56,074,517.88, 77,381,098.38 and 31,627,879.80 is: 43,645,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,074,517.88 : 77,381,098.38 = 31,627,879.80 : x
  2. Step 2: Convert to fraction form
    56,074,517.88/77,381,098.38 = 31,627,879.80/x
  3. Step 3: Cross multiply
    56,074,517.88x = 77,381,098.38 × 31,627,879.80
  4. Step 4: Simplify right side
    56,074,517.88x = 2,447,400,078,354,614.50
  5. Step 5: Solve for x
    x = 2,447,400,078,354,614.50/56,074,517.88
  6. Step 6: Final answer
    x = 43,645,494.80

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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.