Home / 60,577,570,418.36-90,868,206,786.06-20,782,787,052.12

Finding the Fourth Proportional to 60,577,570,418.36, 90,868,206,786.06 and 20,782,787,052.12

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Solution

The fourth proportional to 60,577,570,418.36, 90,868,206,786.06 and 20,782,787,052.12 is: 31,174,815,668.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,577,570,418.36 : 90,868,206,786.06 = 20,782,787,052.12 : x
  2. Step 2: Convert to fraction form
    60,577,570,418.36/90,868,206,786.06 = 20,782,787,052.12/x
  3. Step 3: Cross multiply
    60,577,570,418.36x = 90,868,206,786.06 × 20,782,787,052.12
  4. Step 4: Simplify right side
    60,577,570,418.36x = 1,888,494,591,442,690,244,608
  5. Step 5: Solve for x
    x = 1,888,494,591,442,690,244,608/60,577,570,418.36
  6. Step 6: Final answer
    x = 31,174,815,668.58

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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.