Home / 122,043,697.73-168,322,853.16-80,270,647.23

Finding the Fourth Proportional to 122,043,697.73, 168,322,853.16 and 80,270,647.23

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Solution

The fourth proportional to 122,043,697.73, 168,322,853.16 and 80,270,647.23 is: 110,709,398.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,043,697.73 : 168,322,853.16 = 80,270,647.23 : x
  2. Step 2: Convert to fraction form
    122,043,697.73/168,322,853.16 = 80,270,647.23/x
  3. Step 3: Cross multiply
    122,043,697.73x = 168,322,853.16 × 80,270,647.23
  4. Step 4: Simplify right side
    122,043,697.73x = 13,511,384,366,753,452
  5. Step 5: Solve for x
    x = 13,511,384,366,753,452/122,043,697.73
  6. Step 6: Final answer
    x = 110,709,398.51

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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.