Home / 281,221,447.80-421,769,186.10-184,853,479.80

Finding the Fourth Proportional to 281,221,447.80, 421,769,186.10 and 184,853,479.80

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Solution

The fourth proportional to 281,221,447.80, 421,769,186.10 and 184,853,479.80 is: 277,238,817.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,221,447.80 : 421,769,186.10 = 184,853,479.80 : x
  2. Step 2: Convert to fraction form
    281,221,447.80/421,769,186.10 = 184,853,479.80/x
  3. Step 3: Cross multiply
    281,221,447.80x = 421,769,186.10 × 184,853,479.80
  4. Step 4: Simplify right side
    281,221,447.80x = 77,965,501,722,998,800
  5. Step 5: Solve for x
    x = 77,965,501,722,998,800/281,221,447.80
  6. Step 6: Final answer
    x = 277,238,817.78

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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.