Home / 39,245,155.16-54,158,314.26-21,845,610.75

Finding the Fourth Proportional to 39,245,155.16, 54,158,314.26 and 21,845,610.75

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Solution

The fourth proportional to 39,245,155.16, 54,158,314.26 and 21,845,610.75 is: 30,146,942.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,245,155.16 : 54,158,314.26 = 21,845,610.75 : x
  2. Step 2: Convert to fraction form
    39,245,155.16/54,158,314.26 = 21,845,610.75/x
  3. Step 3: Cross multiply
    39,245,155.16x = 54,158,314.26 × 21,845,610.75
  4. Step 4: Simplify right side
    39,245,155.16x = 1,183,121,452,200,134.25
  5. Step 5: Solve for x
    x = 1,183,121,452,200,134.25/39,245,155.16
  6. Step 6: Final answer
    x = 30,146,942.91

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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.