Home / 199,544,647.80-299,093,022.90-84,509,614.20

Finding the Fourth Proportional to 199,544,647.80, 299,093,022.90 and 84,509,614.20

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Solution

The fourth proportional to 199,544,647.80, 299,093,022.90 and 84,509,614.20 is: 126,669,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,544,647.80 : 299,093,022.90 = 84,509,614.20 : x
  2. Step 2: Convert to fraction form
    199,544,647.80/299,093,022.90 = 84,509,614.20/x
  3. Step 3: Cross multiply
    199,544,647.80x = 299,093,022.90 × 84,509,614.20
  4. Step 4: Simplify right side
    199,544,647.80x = 25,276,235,975,190,764
  5. Step 5: Solve for x
    x = 25,276,235,975,190,764/199,544,647.80
  6. Step 6: Final answer
    x = 126,669,576.23

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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.