Home / 274,561,605.06-378,918,382.41-155,505,376.40

Finding the Fourth Proportional to 274,561,605.06, 378,918,382.41 and 155,505,376.40

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Solution

The fourth proportional to 274,561,605.06, 378,918,382.41 and 155,505,376.40 is: 214,610,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,561,605.06 : 378,918,382.41 = 155,505,376.40 : x
  2. Step 2: Convert to fraction form
    274,561,605.06/378,918,382.41 = 155,505,376.40/x
  3. Step 3: Cross multiply
    274,561,605.06x = 378,918,382.41 × 155,505,376.40
  4. Step 4: Simplify right side
    274,561,605.06x = 58,923,845,679,651,608
  5. Step 5: Solve for x
    x = 58,923,845,679,651,608/274,561,605.06
  6. Step 6: Final answer
    x = 214,610,654.20

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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.