Home / 271,980,661.92-408,091,469.04-142,557,514.08

Finding the Fourth Proportional to 271,980,661.92, 408,091,469.04 and 142,557,514.08

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Solution

The fourth proportional to 271,980,661.92, 408,091,469.04 and 142,557,514.08 is: 213,899,418.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,980,661.92 : 408,091,469.04 = 142,557,514.08 : x
  2. Step 2: Convert to fraction form
    271,980,661.92/408,091,469.04 = 142,557,514.08/x
  3. Step 3: Cross multiply
    271,980,661.92x = 408,091,469.04 × 142,557,514.08
  4. Step 4: Simplify right side
    271,980,661.92x = 58,176,505,343,597,696
  5. Step 5: Solve for x
    x = 58,176,505,343,597,696/271,980,661.92
  6. Step 6: Final answer
    x = 213,899,418.19

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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.