Home / 54,879,945.21-75,735,657.59-30,101,147.73

Finding the Fourth Proportional to 54,879,945.21, 75,735,657.59 and 30,101,147.73

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Solution

The fourth proportional to 54,879,945.21, 75,735,657.59 and 30,101,147.73 is: 41,540,315.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,879,945.21 : 75,735,657.59 = 30,101,147.73 : x
  2. Step 2: Convert to fraction form
    54,879,945.21/75,735,657.59 = 30,101,147.73/x
  3. Step 3: Cross multiply
    54,879,945.21x = 75,735,657.59 × 30,101,147.73
  4. Step 4: Simplify right side
    54,879,945.21x = 2,279,730,217,394,780
  5. Step 5: Solve for x
    x = 2,279,730,217,394,780/54,879,945.21
  6. Step 6: Final answer
    x = 41,540,315.11

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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.