Home / 221,986,912.25-333,095,182.10-161,078,238.11

Finding the Fourth Proportional to 221,986,912.25, 333,095,182.10 and 161,078,238.11

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Solution

The fourth proportional to 221,986,912.25, 333,095,182.10 and 161,078,238.11 is: 241,700,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,986,912.25 : 333,095,182.10 = 161,078,238.11 : x
  2. Step 2: Convert to fraction form
    221,986,912.25/333,095,182.10 = 161,078,238.11/x
  3. Step 3: Cross multiply
    221,986,912.25x = 333,095,182.10 × 161,078,238.11
  4. Step 4: Simplify right side
    221,986,912.25x = 53,654,385,055,597,616
  5. Step 5: Solve for x
    x = 53,654,385,055,597,616/221,986,912.25
  6. Step 6: Final answer
    x = 241,700,668.35

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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.