Home / 274,561,603.93-378,918,380.85-155,505,375.27

Finding the Fourth Proportional to 274,561,603.93, 378,918,380.85 and 155,505,375.27

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Solution

The fourth proportional to 274,561,603.93, 378,918,380.85 and 155,505,375.27 is: 214,610,652.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,561,603.93 : 378,918,380.85 = 155,505,375.27 : x
  2. Step 2: Convert to fraction form
    274,561,603.93/378,918,380.85 = 155,505,375.27/x
  3. Step 3: Cross multiply
    274,561,603.93x = 378,918,380.85 × 155,505,375.27
  4. Step 4: Simplify right side
    274,561,603.93x = 58,923,845,012,137,152
  5. Step 5: Solve for x
    x = 58,923,845,012,137,152/274,561,603.93
  6. Step 6: Final answer
    x = 214,610,652.65

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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.