Home / 168,242,662.80-251,804,122.20-122,053,222.80

Finding the Fourth Proportional to 168,242,662.80, 251,804,122.20 and 122,053,222.80

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Solution

The fourth proportional to 168,242,662.80, 251,804,122.20 and 122,053,222.80 is: 182,673,669.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,242,662.80 : 251,804,122.20 = 122,053,222.80 : x
  2. Step 2: Convert to fraction form
    168,242,662.80/251,804,122.20 = 122,053,222.80/x
  3. Step 3: Cross multiply
    168,242,662.80x = 251,804,122.20 × 122,053,222.80
  4. Step 4: Simplify right side
    168,242,662.80x = 30,733,504,628,835,024
  5. Step 5: Solve for x
    x = 30,733,504,628,835,024/168,242,662.80
  6. Step 6: Final answer
    x = 182,673,669.79

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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.