Home / 221,229,218.80-331,843,828.20-119,192,546.80

Finding the Fourth Proportional to 221,229,218.80, 331,843,828.20 and 119,192,546.80

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Solution

The fourth proportional to 221,229,218.80, 331,843,828.20 and 119,192,546.80 is: 178,788,820.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,229,218.80 : 331,843,828.20 = 119,192,546.80 : x
  2. Step 2: Convert to fraction form
    221,229,218.80/331,843,828.20 = 119,192,546.80/x
  3. Step 3: Cross multiply
    221,229,218.80x = 331,843,828.20 × 119,192,546.80
  4. Step 4: Simplify right side
    221,229,218.80x = 39,553,311,023,019,656
  5. Step 5: Solve for x
    x = 39,553,311,023,019,656/221,229,218.80
  6. Step 6: Final answer
    x = 178,788,820.20

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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.