Home / 49,201,694.70-73,811,399.40-20,450,736.60

Finding the Fourth Proportional to 49,201,694.70, 73,811,399.40 and 20,450,736.60

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Solution

The fourth proportional to 49,201,694.70, 73,811,399.40 and 20,450,736.60 is: 30,679,786.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,201,694.70 : 73,811,399.40 = 20,450,736.60 : x
  2. Step 2: Convert to fraction form
    49,201,694.70/73,811,399.40 = 20,450,736.60/x
  3. Step 3: Cross multiply
    49,201,694.70x = 73,811,399.40 × 20,450,736.60
  4. Step 4: Simplify right side
    49,201,694.70x = 1,509,497,487,206,798.25
  5. Step 5: Solve for x
    x = 1,509,497,487,206,798.25/49,201,694.70
  6. Step 6: Final answer
    x = 30,679,786.47

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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.