Home / 54,971,249.74-82,467,011.35-18,085,216.61

Finding the Fourth Proportional to 54,971,249.74, 82,467,011.35 and 18,085,216.61

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Solution

The fourth proportional to 54,971,249.74, 82,467,011.35 and 18,085,216.61 is: 27,131,159.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,971,249.74 : 82,467,011.35 = 18,085,216.61 : x
  2. Step 2: Convert to fraction form
    54,971,249.74/82,467,011.35 = 18,085,216.61/x
  3. Step 3: Cross multiply
    54,971,249.74x = 82,467,011.35 × 18,085,216.61
  4. Step 4: Simplify right side
    54,971,249.74x = 1,491,433,763,672,852.50
  5. Step 5: Solve for x
    x = 1,491,433,763,672,852.50/54,971,249.74
  6. Step 6: Final answer
    x = 27,131,159.85

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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.