Home / 54,609,120.46-81,925,898.73-20,530,761.58

Finding the Fourth Proportional to 54,609,120.46, 81,925,898.73 and 20,530,761.58

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Solution

The fourth proportional to 54,609,120.46, 81,925,898.73 and 20,530,761.58 is: 30,800,735.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,609,120.46 : 81,925,898.73 = 20,530,761.58 : x
  2. Step 2: Convert to fraction form
    54,609,120.46/81,925,898.73 = 20,530,761.58/x
  3. Step 3: Cross multiply
    54,609,120.46x = 81,925,898.73 × 20,530,761.58
  4. Step 4: Simplify right side
    54,609,120.46x = 1,682,001,094,052,854.75
  5. Step 5: Solve for x
    x = 1,682,001,094,052,854.75/54,609,120.46
  6. Step 6: Final answer
    x = 30,800,735.85

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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.