Home / 74,911,993.20-112,375,474.20-20,325,445.20

Finding the Fourth Proportional to 74,911,993.20, 112,375,474.20 and 20,325,445.20

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Solution

The fourth proportional to 74,911,993.20, 112,375,474.20 and 20,325,445.20 is: 30,490,198.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,911,993.20 : 112,375,474.20 = 20,325,445.20 : x
  2. Step 2: Convert to fraction form
    74,911,993.20/112,375,474.20 = 20,325,445.20/x
  3. Step 3: Cross multiply
    74,911,993.20x = 112,375,474.20 × 20,325,445.20
  4. Step 4: Simplify right side
    74,911,993.20x = 2,284,081,542,676,114
  5. Step 5: Solve for x
    x = 2,284,081,542,676,114/74,911,993.20
  6. Step 6: Final answer
    x = 30,490,198.50

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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.