Home / 168,785,822.48-253,177,311.48-131,928,714.48

Finding the Fourth Proportional to 168,785,822.48, 253,177,311.48 and 131,928,714.48

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Solution

The fourth proportional to 168,785,822.48, 253,177,311.48 and 131,928,714.48 is: 197,891,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,785,822.48 : 253,177,311.48 = 131,928,714.48 : x
  2. Step 2: Convert to fraction form
    168,785,822.48/253,177,311.48 = 131,928,714.48/x
  3. Step 3: Cross multiply
    168,785,822.48x = 253,177,311.48 × 131,928,714.48
  4. Step 4: Simplify right side
    168,785,822.48x = 33,401,357,239,058,944
  5. Step 5: Solve for x
    x = 33,401,357,239,058,944/168,785,822.48
  6. Step 6: Final answer
    x = 197,891,960.05

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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.