Home / 178,338,304.80-267,255,514.80-131,917,917.60

Finding the Fourth Proportional to 178,338,304.80, 267,255,514.80 and 131,917,917.60

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Solution

The fourth proportional to 178,338,304.80, 267,255,514.80 and 131,917,917.60 is: 197,690,513.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,338,304.80 : 267,255,514.80 = 131,917,917.60 : x
  2. Step 2: Convert to fraction form
    178,338,304.80/267,255,514.80 = 131,917,917.60/x
  3. Step 3: Cross multiply
    178,338,304.80x = 267,255,514.80 × 131,917,917.60
  4. Step 4: Simplify right side
    178,338,304.80x = 35,255,790,979,531,980
  5. Step 5: Solve for x
    x = 35,255,790,979,531,980/178,338,304.80
  6. Step 6: Final answer
    x = 197,690,513.09

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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.