Home / 101,771,236.12-140,444,199.52-55,361,379.33

Finding the Fourth Proportional to 101,771,236.12, 140,444,199.52 and 55,361,379.33

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Solution

The fourth proportional to 101,771,236.12, 140,444,199.52 and 55,361,379.33 is: 76,398,645.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,771,236.12 : 140,444,199.52 = 55,361,379.33 : x
  2. Step 2: Convert to fraction form
    101,771,236.12/140,444,199.52 = 55,361,379.33/x
  3. Step 3: Cross multiply
    101,771,236.12x = 140,444,199.52 × 55,361,379.33
  4. Step 4: Simplify right side
    101,771,236.12x = 7,775,184,604,324,924
  5. Step 5: Solve for x
    x = 7,775,184,604,324,924/101,771,236.12
  6. Step 6: Final answer
    x = 76,398,645.64

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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.