Home / 140,783,584.11-194,301,366.21-78,073,628.73

Finding the Fourth Proportional to 140,783,584.11, 194,301,366.21 and 78,073,628.73

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Solution

The fourth proportional to 140,783,584.11, 194,301,366.21 and 78,073,628.73 is: 107,752,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,783,584.11 : 194,301,366.21 = 78,073,628.73 : x
  2. Step 2: Convert to fraction form
    140,783,584.11/194,301,366.21 = 78,073,628.73/x
  3. Step 3: Cross multiply
    140,783,584.11x = 194,301,366.21 × 78,073,628.73
  4. Step 4: Simplify right side
    140,783,584.11x = 15,169,812,727,211,308
  5. Step 5: Solve for x
    x = 15,169,812,727,211,308/140,783,584.11
  6. Step 6: Final answer
    x = 107,752,710.11

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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.