Home / 198,215,400.44-297,276,975.07-73,776,633.72

Finding the Fourth Proportional to 198,215,400.44, 297,276,975.07 and 73,776,633.72

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Solution

The fourth proportional to 198,215,400.44, 297,276,975.07 and 73,776,633.72 is: 110,647,782.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,215,400.44 : 297,276,975.07 = 73,776,633.72 : x
  2. Step 2: Convert to fraction form
    198,215,400.44/297,276,975.07 = 73,776,633.72/x
  3. Step 3: Cross multiply
    198,215,400.44x = 297,276,975.07 × 73,776,633.72
  4. Step 4: Simplify right side
    198,215,400.44x = 21,932,094,504,056,592
  5. Step 5: Solve for x
    x = 21,932,094,504,056,592/198,215,400.44
  6. Step 6: Final answer
    x = 110,647,782.44

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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.