Home / 275,289,107.20-412,933,660.80-152,845,100.80

Finding the Fourth Proportional to 275,289,107.20, 412,933,660.80 and 152,845,100.80

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Solution

The fourth proportional to 275,289,107.20, 412,933,660.80 and 152,845,100.80 is: 229,267,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,289,107.20 : 412,933,660.80 = 152,845,100.80 : x
  2. Step 2: Convert to fraction form
    275,289,107.20/412,933,660.80 = 152,845,100.80/x
  3. Step 3: Cross multiply
    275,289,107.20x = 412,933,660.80 × 152,845,100.80
  4. Step 4: Simplify right side
    275,289,107.20x = 63,114,887,008,689,016
  5. Step 5: Solve for x
    x = 63,114,887,008,689,016/275,289,107.20
  6. Step 6: Final answer
    x = 229,267,651.20

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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.