Home / 298,820,676.15-412,373,083.37-166,670,190.54

Finding the Fourth Proportional to 298,820,676.15, 412,373,083.37 and 166,670,190.54

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Solution

The fourth proportional to 298,820,676.15, 412,373,083.37 and 166,670,190.54 is: 230,005,169.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,820,676.15 : 412,373,083.37 = 166,670,190.54 : x
  2. Step 2: Convert to fraction form
    298,820,676.15/412,373,083.37 = 166,670,190.54/x
  3. Step 3: Cross multiply
    298,820,676.15x = 412,373,083.37 × 166,670,190.54
  4. Step 4: Simplify right side
    298,820,676.15x = 68,730,300,378,011,856
  5. Step 5: Solve for x
    x = 68,730,300,378,011,856/298,820,676.15
  6. Step 6: Final answer
    x = 230,005,169.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.