Home / 101,771,236.88-140,444,200.58-55,361,380.10

Finding the Fourth Proportional to 101,771,236.88, 140,444,200.58 and 55,361,380.10

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Solution

The fourth proportional to 101,771,236.88, 140,444,200.58 and 55,361,380.10 is: 76,398,646.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,771,236.88 : 140,444,200.58 = 55,361,380.10 : x
  2. Step 2: Convert to fraction form
    101,771,236.88/140,444,200.58 = 55,361,380.10/x
  3. Step 3: Cross multiply
    101,771,236.88x = 140,444,200.58 × 55,361,380.10
  4. Step 4: Simplify right side
    101,771,236.88x = 7,775,184,771,150,021
  5. Step 5: Solve for x
    x = 7,775,184,771,150,021/101,771,236.88
  6. Step 6: Final answer
    x = 76,398,646.71

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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.