Home / 101,771,233.87-140,444,196.45-55,361,377.09

Finding the Fourth Proportional to 101,771,233.87, 140,444,196.45 and 55,361,377.09

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Solution

The fourth proportional to 101,771,233.87, 140,444,196.45 and 55,361,377.09 is: 76,398,642.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,771,233.87 : 140,444,196.45 = 55,361,377.09 : x
  2. Step 2: Convert to fraction form
    101,771,233.87/140,444,196.45 = 55,361,377.09/x
  3. Step 3: Cross multiply
    101,771,233.87x = 140,444,196.45 × 55,361,377.09
  4. Step 4: Simplify right side
    101,771,233.87x = 7,775,184,119,770,489
  5. Step 5: Solve for x
    x = 7,775,184,119,770,489/101,771,233.87
  6. Step 6: Final answer
    x = 76,398,642.56

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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.