Home / 101,771,237.38-140,444,201.26-55,361,380.58

Finding the Fourth Proportional to 101,771,237.38, 140,444,201.26 and 55,361,380.58

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Solution

The fourth proportional to 101,771,237.38, 140,444,201.26 and 55,361,380.58 is: 76,398,647.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,771,237.38 : 140,444,201.26 = 55,361,380.58 : x
  2. Step 2: Convert to fraction form
    101,771,237.38/140,444,201.26 = 55,361,380.58/x
  3. Step 3: Cross multiply
    101,771,237.38x = 140,444,201.26 × 55,361,380.58
  4. Step 4: Simplify right side
    101,771,237.38x = 7,775,184,876,208,975
  5. Step 5: Solve for x
    x = 7,775,184,876,208,975/101,771,237.38
  6. Step 6: Final answer
    x = 76,398,647.36

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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.