Home / 33,285,405.20-49,928,107.80-20,702,493.20

Finding the Fourth Proportional to 33,285,405.20, 49,928,107.80 and 20,702,493.20

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Solution

The fourth proportional to 33,285,405.20, 49,928,107.80 and 20,702,493.20 is: 31,053,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,285,405.20 : 49,928,107.80 = 20,702,493.20 : x
  2. Step 2: Convert to fraction form
    33,285,405.20/49,928,107.80 = 20,702,493.20/x
  3. Step 3: Cross multiply
    33,285,405.20x = 49,928,107.80 × 20,702,493.20
  4. Step 4: Simplify right side
    33,285,405.20x = 1,033,636,312,218,366.88
  5. Step 5: Solve for x
    x = 1,033,636,312,218,366.88/33,285,405.20
  6. Step 6: Final answer
    x = 31,053,739.80

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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.