Home / 201,771,778.76-302,412,540.97-109,436,562.21

Finding the Fourth Proportional to 201,771,778.76, 302,412,540.97 and 109,436,562.21

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Solution

The fourth proportional to 201,771,778.76, 302,412,540.97 and 109,436,562.21 is: 164,021,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,771,778.76 : 302,412,540.97 = 109,436,562.21 : x
  2. Step 2: Convert to fraction form
    201,771,778.76/302,412,540.97 = 109,436,562.21/x
  3. Step 3: Cross multiply
    201,771,778.76x = 302,412,540.97 × 109,436,562.21
  4. Step 4: Simplify right side
    201,771,778.76x = 33,094,988,852,673,984
  5. Step 5: Solve for x
    x = 33,094,988,852,673,984/201,771,778.76
  6. Step 6: Final answer
    x = 164,021,891.75

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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.