Home / 217,782,429.60-300,560,932.08-162,682,626.72

Finding the Fourth Proportional to 217,782,429.60, 300,560,932.08 and 162,682,626.72

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Solution

The fourth proportional to 217,782,429.60, 300,560,932.08 and 162,682,626.72 is: 224,517,845.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,782,429.60 : 300,560,932.08 = 162,682,626.72 : x
  2. Step 2: Convert to fraction form
    217,782,429.60/300,560,932.08 = 162,682,626.72/x
  3. Step 3: Cross multiply
    217,782,429.60x = 300,560,932.08 × 162,682,626.72
  4. Step 4: Simplify right side
    217,782,429.60x = 48,896,041,920,185,912
  5. Step 5: Solve for x
    x = 48,896,041,920,185,912/217,782,429.60
  6. Step 6: Final answer
    x = 224,517,845.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.