Home / 281,221,421.80-421,769,147.10-184,853,453.80

Finding the Fourth Proportional to 281,221,421.80, 421,769,147.10 and 184,853,453.80

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Solution

The fourth proportional to 281,221,421.80, 421,769,147.10 and 184,853,453.80 is: 277,238,778.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,221,421.80 : 421,769,147.10 = 184,853,453.80 : x
  2. Step 2: Convert to fraction form
    281,221,421.80/421,769,147.10 = 184,853,453.80/x
  3. Step 3: Cross multiply
    281,221,421.80x = 421,769,147.10 × 184,853,453.80
  4. Step 4: Simplify right side
    281,221,421.80x = 77,965,483,547,715,264
  5. Step 5: Solve for x
    x = 77,965,483,547,715,264/281,221,421.80
  6. Step 6: Final answer
    x = 277,238,778.78

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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.