Home / 221,328,015.20-331,992,022.80-113,832,591.20

Finding the Fourth Proportional to 221,328,015.20, 331,992,022.80 and 113,832,591.20

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Solution

The fourth proportional to 221,328,015.20, 331,992,022.80 and 113,832,591.20 is: 170,748,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,328,015.20 : 331,992,022.80 = 113,832,591.20 : x
  2. Step 2: Convert to fraction form
    221,328,015.20/331,992,022.80 = 113,832,591.20/x
  3. Step 3: Cross multiply
    221,328,015.20x = 331,992,022.80 × 113,832,591.20
  4. Step 4: Simplify right side
    221,328,015.20x = 37,791,512,213,053,480
  5. Step 5: Solve for x
    x = 37,791,512,213,053,480/221,328,015.20
  6. Step 6: Final answer
    x = 170,748,886.80

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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.