Home / 281,221,445.80-421,769,183.10-184,853,477.80

Finding the Fourth Proportional to 281,221,445.80, 421,769,183.10 and 184,853,477.80

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Solution

The fourth proportional to 281,221,445.80, 421,769,183.10 and 184,853,477.80 is: 277,238,814.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,221,445.80 : 421,769,183.10 = 184,853,477.80 : x
  2. Step 2: Convert to fraction form
    281,221,445.80/421,769,183.10 = 184,853,477.80/x
  3. Step 3: Cross multiply
    281,221,445.80x = 421,769,183.10 × 184,853,477.80
  4. Step 4: Simplify right side
    281,221,445.80x = 77,965,500,324,900,000
  5. Step 5: Solve for x
    x = 77,965,500,324,900,000/281,221,445.80
  6. Step 6: Final answer
    x = 277,238,814.78

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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.