Home / 264,136,007.20-396,204,010.80-82,382,893.60

Finding the Fourth Proportional to 264,136,007.20, 396,204,010.80 and 82,382,893.60

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Solution

The fourth proportional to 264,136,007.20, 396,204,010.80 and 82,382,893.60 is: 123,574,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,136,007.20 : 396,204,010.80 = 82,382,893.60 : x
  2. Step 2: Convert to fraction form
    264,136,007.20/396,204,010.80 = 82,382,893.60/x
  3. Step 3: Cross multiply
    264,136,007.20x = 396,204,010.80 × 82,382,893.60
  4. Step 4: Simplify right side
    264,136,007.20x = 32,640,432,865,629,648
  5. Step 5: Solve for x
    x = 32,640,432,865,629,648/264,136,007.20
  6. Step 6: Final answer
    x = 123,574,340.40

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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.