Home / 271,917,101.20-407,875,651.80-67,445,176.45

Finding the Fourth Proportional to 271,917,101.20, 407,875,651.80 and 67,445,176.45

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Solution

The fourth proportional to 271,917,101.20, 407,875,651.80 and 67,445,176.45 is: 101,167,764.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,917,101.20 : 407,875,651.80 = 67,445,176.45 : x
  2. Step 2: Convert to fraction form
    271,917,101.20/407,875,651.80 = 67,445,176.45/x
  3. Step 3: Cross multiply
    271,917,101.20x = 407,875,651.80 × 67,445,176.45
  4. Step 4: Simplify right side
    271,917,101.20x = 27,509,245,305,309,764
  5. Step 5: Solve for x
    x = 27,509,245,305,309,764/271,917,101.20
  6. Step 6: Final answer
    x = 101,167,764.68

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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.