Home / 196,608,832.20-294,984,107.10-81,675,858.60

Finding the Fourth Proportional to 196,608,832.20, 294,984,107.10 and 81,675,858.60

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Solution

The fourth proportional to 196,608,832.20, 294,984,107.10 and 81,675,858.60 is: 122,543,224.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,608,832.20 : 294,984,107.10 = 81,675,858.60 : x
  2. Step 2: Convert to fraction form
    196,608,832.20/294,984,107.10 = 81,675,858.60/x
  3. Step 3: Cross multiply
    196,608,832.20x = 294,984,107.10 × 81,675,858.60
  4. Step 4: Simplify right side
    196,608,832.20x = 24,093,080,220,746,856
  5. Step 5: Solve for x
    x = 24,093,080,220,746,856/196,608,832.20
  6. Step 6: Final answer
    x = 122,543,224.29

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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.