Home / 167,326,778.97-230,916,562.52-92,990,472.64

Finding the Fourth Proportional to 167,326,778.97, 230,916,562.52 and 92,990,472.64

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Solution

The fourth proportional to 167,326,778.97, 230,916,562.52 and 92,990,472.64 is: 128,329,968.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,326,778.97 : 230,916,562.52 = 92,990,472.64 : x
  2. Step 2: Convert to fraction form
    167,326,778.97/230,916,562.52 = 92,990,472.64/x
  3. Step 3: Cross multiply
    167,326,778.97x = 230,916,562.52 × 92,990,472.64
  4. Step 4: Simplify right side
    167,326,778.97x = 21,473,040,288,096,664
  5. Step 5: Solve for x
    x = 21,473,040,288,096,664/167,326,778.97
  6. Step 6: Final answer
    x = 128,329,968.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.