Home / 275,589,316.40-380,057,795.74-201,131,939.12

Finding the Fourth Proportional to 275,589,316.40, 380,057,795.74 and 201,131,939.12

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Solution

The fourth proportional to 275,589,316.40, 380,057,795.74 and 201,131,939.12 is: 277,375,634.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,589,316.40 : 380,057,795.74 = 201,131,939.12 : x
  2. Step 2: Convert to fraction form
    275,589,316.40/380,057,795.74 = 201,131,939.12/x
  3. Step 3: Cross multiply
    275,589,316.40x = 380,057,795.74 × 201,131,939.12
  4. Step 4: Simplify right side
    275,589,316.40x = 76,441,761,433,853,424
  5. Step 5: Solve for x
    x = 76,441,761,433,853,424/275,589,316.40
  6. Step 6: Final answer
    x = 277,375,634.27

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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.