Home / 81,446,451.43-122,006,103.49-37,665,843.61

Finding the Fourth Proportional to 81,446,451.43, 122,006,103.49 and 37,665,843.61

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Solution

The fourth proportional to 81,446,451.43, 122,006,103.49 and 37,665,843.61 is: 56,423,118.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,446,451.43 : 122,006,103.49 = 37,665,843.61 : x
  2. Step 2: Convert to fraction form
    81,446,451.43/122,006,103.49 = 37,665,843.61/x
  3. Step 3: Cross multiply
    81,446,451.43x = 122,006,103.49 × 37,665,843.61
  4. Step 4: Simplify right side
    81,446,451.43x = 4,595,462,813,519,815
  5. Step 5: Solve for x
    x = 4,595,462,813,519,815/81,446,451.43
  6. Step 6: Final answer
    x = 56,423,118.91

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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.