Home / 274,561,523.51-378,918,270.41-155,505,294.92

Finding the Fourth Proportional to 274,561,523.51, 378,918,270.41 and 155,505,294.92

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Solution

The fourth proportional to 274,561,523.51, 378,918,270.41 and 155,505,294.92 is: 214,610,542.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,561,523.51 : 378,918,270.41 = 155,505,294.92 : x
  2. Step 2: Convert to fraction form
    274,561,523.51/378,918,270.41 = 155,505,294.92/x
  3. Step 3: Cross multiply
    274,561,523.51x = 378,918,270.41 × 155,505,294.92
  4. Step 4: Simplify right side
    274,561,523.51x = 58,923,797,390,853,128
  5. Step 5: Solve for x
    x = 58,923,797,390,853,128/274,561,523.51
  6. Step 6: Final answer
    x = 214,610,542.07

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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.