Home / 271,966,277.20-407,949,415.80-218,218,565.20

Finding the Fourth Proportional to 271,966,277.20, 407,949,415.80 and 218,218,565.20

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Solution

The fourth proportional to 271,966,277.20, 407,949,415.80 and 218,218,565.20 is: 327,327,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,966,277.20 : 407,949,415.80 = 218,218,565.20 : x
  2. Step 2: Convert to fraction form
    271,966,277.20/407,949,415.80 = 218,218,565.20/x
  3. Step 3: Cross multiply
    271,966,277.20x = 407,949,415.80 × 218,218,565.20
  4. Step 4: Simplify right side
    271,966,277.20x = 89,022,136,190,054,208
  5. Step 5: Solve for x
    x = 89,022,136,190,054,208/271,966,277.20
  6. Step 6: Final answer
    x = 327,327,847.80

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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.