Home / 122,067,267.88-168,355,405.92-80,294,234.08

Finding the Fourth Proportional to 122,067,267.88, 168,355,405.92 and 80,294,234.08

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Solution

The fourth proportional to 122,067,267.88, 168,355,405.92 and 80,294,234.08 is: 110,741,958.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,067,267.88 : 168,355,405.92 = 80,294,234.08 : x
  2. Step 2: Convert to fraction form
    122,067,267.88/168,355,405.92 = 80,294,234.08/x
  3. Step 3: Cross multiply
    122,067,267.88x = 168,355,405.92 × 80,294,234.08
  4. Step 4: Simplify right side
    122,067,267.88x = 13,517,968,371,573,896
  5. Step 5: Solve for x
    x = 13,517,968,371,573,896/122,067,267.88
  6. Step 6: Final answer
    x = 110,741,958.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.