Home / 194,383,921-268,255,409.72-107,469,391.72

Finding the Fourth Proportional to 194,383,921, 268,255,409.72 and 107,469,391.72

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Solution

The fourth proportional to 194,383,921, 268,255,409.72 and 107,469,391.72 is: 148,310,855.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,383,921 : 268,255,409.72 = 107,469,391.72 : x
  2. Step 2: Convert to fraction form
    194,383,921/268,255,409.72 = 107,469,391.72/x
  3. Step 3: Cross multiply
    194,383,921x = 268,255,409.72 × 107,469,391.72
  4. Step 4: Simplify right side
    194,383,921x = 28,829,245,708,207,776
  5. Step 5: Solve for x
    x = 28,829,245,708,207,776/194,383,921
  6. Step 6: Final answer
    x = 148,310,855.96

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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.