Home / 39,198,148.12-54,093,161.10-21,794,358.52

Finding the Fourth Proportional to 39,198,148.12, 54,093,161.10 and 21,794,358.52

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Solution

The fourth proportional to 39,198,148.12, 54,093,161.10 and 21,794,358.52 is: 30,076,057.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,198,148.12 : 54,093,161.10 = 21,794,358.52 : x
  2. Step 2: Convert to fraction form
    39,198,148.12/54,093,161.10 = 21,794,358.52/x
  3. Step 3: Cross multiply
    39,198,148.12x = 54,093,161.10 × 21,794,358.52
  4. Step 4: Simplify right side
    39,198,148.12x = 1,178,925,746,493,517.50
  5. Step 5: Solve for x
    x = 1,178,925,746,493,517.50/39,198,148.12
  6. Step 6: Final answer
    x = 30,076,057.24

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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.