Home / 75,222,185.96-112,824,414.30-20,640,290.60

Finding the Fourth Proportional to 75,222,185.96, 112,824,414.30 and 20,640,290.60

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Solution

The fourth proportional to 75,222,185.96, 112,824,414.30 and 20,640,290.60 is: 30,958,003.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,222,185.96 : 112,824,414.30 = 20,640,290.60 : x
  2. Step 2: Convert to fraction form
    75,222,185.96/112,824,414.30 = 20,640,290.60/x
  3. Step 3: Cross multiply
    75,222,185.96x = 112,824,414.30 × 20,640,290.60
  4. Step 4: Simplify right side
    75,222,185.96x = 2,328,728,698,286,257.50
  5. Step 5: Solve for x
    x = 2,328,728,698,286,257.50/75,222,185.96
  6. Step 6: Final answer
    x = 30,958,003.53

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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.