Home / 123,274,270.44-170,036,580.24-79,276,894.56

Finding the Fourth Proportional to 123,274,270.44, 170,036,580.24 and 79,276,894.56

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Solution

The fourth proportional to 123,274,270.44, 170,036,580.24 and 79,276,894.56 is: 109,349,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,274,270.44 : 170,036,580.24 = 79,276,894.56 : x
  2. Step 2: Convert to fraction form
    123,274,270.44/170,036,580.24 = 79,276,894.56/x
  3. Step 3: Cross multiply
    123,274,270.44x = 170,036,580.24 × 79,276,894.56
  4. Step 4: Simplify right side
    123,274,270.44x = 13,479,972,043,029,460
  5. Step 5: Solve for x
    x = 13,479,972,043,029,460/123,274,270.44
  6. Step 6: Final answer
    x = 109,349,436.79

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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.