Home / 80,435,774.43-120,635,706.36-37,299,372.75

Finding the Fourth Proportional to 80,435,774.43, 120,635,706.36 and 37,299,372.75

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Solution

The fourth proportional to 80,435,774.43, 120,635,706.36 and 37,299,372.75 is: 55,940,732.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,435,774.43 : 120,635,706.36 = 37,299,372.75 : x
  2. Step 2: Convert to fraction form
    80,435,774.43/120,635,706.36 = 37,299,372.75/x
  3. Step 3: Cross multiply
    80,435,774.43x = 120,635,706.36 × 37,299,372.75
  4. Step 4: Simplify right side
    80,435,774.43x = 4,499,636,178,481,185.50
  5. Step 5: Solve for x
    x = 4,499,636,178,481,185.50/80,435,774.43
  6. Step 6: Final answer
    x = 55,940,732.97

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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.