Home / 197,877,660.20-296,677,416.54-87,160,794.92

Finding the Fourth Proportional to 197,877,660.20, 296,677,416.54 and 87,160,794.92

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Solution

The fourth proportional to 197,877,660.20, 296,677,416.54 and 87,160,794.92 is: 130,679,933.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,877,660.20 : 296,677,416.54 = 87,160,794.92 : x
  2. Step 2: Convert to fraction form
    197,877,660.20/296,677,416.54 = 87,160,794.92/x
  3. Step 3: Cross multiply
    197,877,660.20x = 296,677,416.54 × 87,160,794.92
  4. Step 4: Simplify right side
    197,877,660.20x = 25,858,639,460,438,360
  5. Step 5: Solve for x
    x = 25,858,639,460,438,360/197,877,660.20
  6. Step 6: Final answer
    x = 130,679,933.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.