Home / 172,057,310.61-258,086,219.25-131,347,894.83

Finding the Fourth Proportional to 172,057,310.61, 258,086,219.25 and 131,347,894.83

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Solution

The fourth proportional to 172,057,310.61, 258,086,219.25 and 131,347,894.83 is: 197,022,035.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,057,310.61 : 258,086,219.25 = 131,347,894.83 : x
  2. Step 2: Convert to fraction form
    172,057,310.61/258,086,219.25 = 131,347,894.83/x
  3. Step 3: Cross multiply
    172,057,310.61x = 258,086,219.25 × 131,347,894.83
  4. Step 4: Simplify right side
    172,057,310.61x = 33,899,081,583,121,320
  5. Step 5: Solve for x
    x = 33,899,081,583,121,320/172,057,310.61
  6. Step 6: Final answer
    x = 197,022,035.64

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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.