Home / 194,383,890-268,255,366.92-107,469,360.72

Finding the Fourth Proportional to 194,383,890, 268,255,366.92 and 107,469,360.72

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Solution

The fourth proportional to 194,383,890, 268,255,366.92 and 107,469,360.72 is: 148,310,813.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,383,890 : 268,255,366.92 = 107,469,360.72 : x
  2. Step 2: Convert to fraction form
    194,383,890/268,255,366.92 = 107,469,360.72/x
  3. Step 3: Cross multiply
    194,383,890x = 268,255,366.92 × 107,469,360.72
  4. Step 4: Simplify right side
    194,383,890x = 28,829,232,792,601,432
  5. Step 5: Solve for x
    x = 28,829,232,792,601,432/194,383,890
  6. Step 6: Final answer
    x = 148,310,813.17

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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.