Home / 319,895,333.72-441,456,161.15-178,766,555.12

Finding the Fourth Proportional to 319,895,333.72, 441,456,161.15 and 178,766,555.12

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Solution

The fourth proportional to 319,895,333.72, 441,456,161.15 and 178,766,555.12 is: 246,698,181.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,895,333.72 : 441,456,161.15 = 178,766,555.12 : x
  2. Step 2: Convert to fraction form
    319,895,333.72/441,456,161.15 = 178,766,555.12/x
  3. Step 3: Cross multiply
    319,895,333.72x = 441,456,161.15 × 178,766,555.12
  4. Step 4: Simplify right side
    319,895,333.72x = 78,917,597,165,180,176
  5. Step 5: Solve for x
    x = 78,917,597,165,180,176/319,895,333.72
  6. Step 6: Final answer
    x = 246,698,181.71

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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.