Home / 271,966,165.20-407,949,247.80-218,218,453.20

Finding the Fourth Proportional to 271,966,165.20, 407,949,247.80 and 218,218,453.20

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Solution

The fourth proportional to 271,966,165.20, 407,949,247.80 and 218,218,453.20 is: 327,327,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,966,165.20 : 407,949,247.80 = 218,218,453.20 : x
  2. Step 2: Convert to fraction form
    271,966,165.20/407,949,247.80 = 218,218,453.20/x
  3. Step 3: Cross multiply
    271,966,165.20x = 407,949,247.80 × 218,218,453.20
  4. Step 4: Simplify right side
    271,966,165.20x = 89,022,053,839,019,504
  5. Step 5: Solve for x
    x = 89,022,053,839,019,504/271,966,165.20
  6. Step 6: Final answer
    x = 327,327,679.80

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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.