Home / 221,789,194.45-332,613,039.42-76,187,646.48

Finding the Fourth Proportional to 221,789,194.45, 332,613,039.42 and 76,187,646.48

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Solution

The fourth proportional to 221,789,194.45, 332,613,039.42 and 76,187,646.48 is: 114,257,165.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,789,194.45 : 332,613,039.42 = 76,187,646.48 : x
  2. Step 2: Convert to fraction form
    221,789,194.45/332,613,039.42 = 76,187,646.48/x
  3. Step 3: Cross multiply
    221,789,194.45x = 332,613,039.42 × 76,187,646.48
  4. Step 4: Simplify right side
    221,789,194.45x = 25,341,004,661,345,620
  5. Step 5: Solve for x
    x = 25,341,004,661,345,620/221,789,194.45
  6. Step 6: Final answer
    x = 114,257,165.34

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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.