Home / 103,628,910.20-155,542,898.10-52,568,583.80

Finding the Fourth Proportional to 103,628,910.20, 155,542,898.10 and 52,568,583.80

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Solution

The fourth proportional to 103,628,910.20, 155,542,898.10 and 52,568,583.80 is: 78,903,366.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,628,910.20 : 155,542,898.10 = 52,568,583.80 : x
  2. Step 2: Convert to fraction form
    103,628,910.20/155,542,898.10 = 52,568,583.80/x
  3. Step 3: Cross multiply
    103,628,910.20x = 155,542,898.10 × 52,568,583.80
  4. Step 4: Simplify right side
    103,628,910.20x = 8,176,669,873,264,710
  5. Step 5: Solve for x
    x = 8,176,669,873,264,710/103,628,910.20
  6. Step 6: Final answer
    x = 78,903,366.42

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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.