Home / 172,525,971.97-258,597,269.69-131,449,993.12

Finding the Fourth Proportional to 172,525,971.97, 258,597,269.69 and 131,449,993.12

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Solution

The fourth proportional to 172,525,971.97, 258,597,269.69 and 131,449,993.12 is: 197,028,939.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,525,971.97 : 258,597,269.69 = 131,449,993.12 : x
  2. Step 2: Convert to fraction form
    172,525,971.97/258,597,269.69 = 131,449,993.12/x
  3. Step 3: Cross multiply
    172,525,971.97x = 258,597,269.69 × 131,449,993.12
  4. Step 4: Simplify right side
    172,525,971.97x = 33,992,609,321,267,284
  5. Step 5: Solve for x
    x = 33,992,609,321,267,284/172,525,971.97
  6. Step 6: Final answer
    x = 197,028,939.66

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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.