Home / 131,496,011.20-197,244,016.80-54,874,028.80

Finding the Fourth Proportional to 131,496,011.20, 197,244,016.80 and 54,874,028.80

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Solution

The fourth proportional to 131,496,011.20, 197,244,016.80 and 54,874,028.80 is: 82,311,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,496,011.20 : 197,244,016.80 = 54,874,028.80 : x
  2. Step 2: Convert to fraction form
    131,496,011.20/197,244,016.80 = 54,874,028.80/x
  3. Step 3: Cross multiply
    131,496,011.20x = 197,244,016.80 × 54,874,028.80
  4. Step 4: Simplify right side
    131,496,011.20x = 10,823,573,858,510,884
  5. Step 5: Solve for x
    x = 10,823,573,858,510,884/131,496,011.20
  6. Step 6: Final answer
    x = 82,311,043.20

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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.