Home / 212,743,591.20-319,125,884.40-110,706,919.20

Finding the Fourth Proportional to 212,743,591.20, 319,125,884.40 and 110,706,919.20

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Solution

The fourth proportional to 212,743,591.20, 319,125,884.40 and 110,706,919.20 is: 166,065,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,743,591.20 : 319,125,884.40 = 110,706,919.20 : x
  2. Step 2: Convert to fraction form
    212,743,591.20/319,125,884.40 = 110,706,919.20/x
  3. Step 3: Cross multiply
    212,743,591.20x = 319,125,884.40 × 110,706,919.20
  4. Step 4: Simplify right side
    212,743,591.20x = 35,329,443,498,899,340
  5. Step 5: Solve for x
    x = 35,329,443,498,899,340/212,743,591.20
  6. Step 6: Final answer
    x = 166,065,841.51

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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.