Home / 168,204,076.34-252,305,055.77-90,517,574.26

Finding the Fourth Proportional to 168,204,076.34, 252,305,055.77 and 90,517,574.26

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Solution

The fourth proportional to 168,204,076.34, 252,305,055.77 and 90,517,574.26 is: 135,775,791.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,204,076.34 : 252,305,055.77 = 90,517,574.26 : x
  2. Step 2: Convert to fraction form
    168,204,076.34/252,305,055.77 = 90,517,574.26/x
  3. Step 3: Cross multiply
    168,204,076.34x = 252,305,055.77 × 90,517,574.26
  4. Step 4: Simplify right side
    168,204,076.34x = 22,838,041,621,429,948
  5. Step 5: Solve for x
    x = 22,838,041,621,429,948/168,204,076.34
  6. Step 6: Final answer
    x = 135,775,791.63

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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.