Home / 109,188,843.30-163,666,738.35-54,493,722.90

Finding the Fourth Proportional to 109,188,843.30, 163,666,738.35 and 54,493,722.90

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Solution

The fourth proportional to 109,188,843.30, 163,666,738.35 and 54,493,722.90 is: 81,682,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,188,843.30 : 163,666,738.35 = 54,493,722.90 : x
  2. Step 2: Convert to fraction form
    109,188,843.30/163,666,738.35 = 54,493,722.90/x
  3. Step 3: Cross multiply
    109,188,843.30x = 163,666,738.35 × 54,493,722.90
  4. Step 4: Simplify right side
    109,188,843.30x = 8,918,809,887,591,703
  5. Step 5: Solve for x
    x = 8,918,809,887,591,703/109,188,843.30
  6. Step 6: Final answer
    x = 81,682,428.52

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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.