Home / 76,055,101.44-104,969,458.08-45,132,321.12

Finding the Fourth Proportional to 76,055,101.44, 104,969,458.08 and 45,132,321.12

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Solution

The fourth proportional to 76,055,101.44, 104,969,458.08 and 45,132,321.12 is: 62,290,565.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,055,101.44 : 104,969,458.08 = 45,132,321.12 : x
  2. Step 2: Convert to fraction form
    76,055,101.44/104,969,458.08 = 45,132,321.12/x
  3. Step 3: Cross multiply
    76,055,101.44x = 104,969,458.08 × 45,132,321.12
  4. Step 4: Simplify right side
    76,055,101.44x = 4,737,515,289,858,938
  5. Step 5: Solve for x
    x = 4,737,515,289,858,938/76,055,101.44
  6. Step 6: Final answer
    x = 62,290,565.66

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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.