Home / 54,882,581.87-82,302,946.83-18,481,198.88

Finding the Fourth Proportional to 54,882,581.87, 82,302,946.83 and 18,481,198.88

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Solution

The fourth proportional to 54,882,581.87, 82,302,946.83 and 18,481,198.88 is: 27,714,751.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,882,581.87 : 82,302,946.83 = 18,481,198.88 : x
  2. Step 2: Convert to fraction form
    54,882,581.87/82,302,946.83 = 18,481,198.88/x
  3. Step 3: Cross multiply
    54,882,581.87x = 82,302,946.83 × 18,481,198.88
  4. Step 4: Simplify right side
    54,882,581.87x = 1,521,057,128,363,780.75
  5. Step 5: Solve for x
    x = 1,521,057,128,363,780.75/54,882,581.87
  6. Step 6: Final answer
    x = 27,714,751.69

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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.