Home / 57,603,605.20-86,504,940.60-30,729,749.20

Finding the Fourth Proportional to 57,603,605.20, 86,504,940.60 and 30,729,749.20

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Solution

The fourth proportional to 57,603,605.20, 86,504,940.60 and 30,729,749.20 is: 46,147,721.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,603,605.20 : 86,504,940.60 = 30,729,749.20 : x
  2. Step 2: Convert to fraction form
    57,603,605.20/86,504,940.60 = 30,729,749.20/x
  3. Step 3: Cross multiply
    57,603,605.20x = 86,504,940.60 × 30,729,749.20
  4. Step 4: Simplify right side
    57,603,605.20x = 2,658,275,129,198,897.50
  5. Step 5: Solve for x
    x = 2,658,275,129,198,897.50/57,603,605.20
  6. Step 6: Final answer
    x = 46,147,721.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.