Home / 305,177,571.96-421,132,235.04-173,027,460.30

Finding the Fourth Proportional to 305,177,571.96, 421,132,235.04 and 173,027,460.30

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Solution

The fourth proportional to 305,177,571.96, 421,132,235.04 and 173,027,460.30 is: 238,770,629.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,177,571.96 : 421,132,235.04 = 173,027,460.30 : x
  2. Step 2: Convert to fraction form
    305,177,571.96/421,132,235.04 = 173,027,460.30/x
  3. Step 3: Cross multiply
    305,177,571.96x = 421,132,235.04 × 173,027,460.30
  4. Step 4: Simplify right side
    305,177,571.96x = 72,867,441,079,433,872
  5. Step 5: Solve for x
    x = 72,867,441,079,433,872/305,177,571.96
  6. Step 6: Final answer
    x = 238,770,629.87

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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.