Home / 101,147,992.47-139,584,669.44-54,738,250.49

Finding the Fourth Proportional to 101,147,992.47, 139,584,669.44 and 54,738,250.49

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Solution

The fourth proportional to 101,147,992.47, 139,584,669.44 and 54,738,250.49 is: 75,539,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,147,992.47 : 139,584,669.44 = 54,738,250.49 : x
  2. Step 2: Convert to fraction form
    101,147,992.47/139,584,669.44 = 54,738,250.49/x
  3. Step 3: Cross multiply
    101,147,992.47x = 139,584,669.44 × 54,738,250.49
  4. Step 4: Simplify right side
    101,147,992.47x = 7,640,620,600,370,568
  5. Step 5: Solve for x
    x = 7,640,620,600,370,568/101,147,992.47
  6. Step 6: Final answer
    x = 75,539,023.70

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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.