Home / 60,577,570,306.54-90,868,206,617.42-20,782,786,939.53

Finding the Fourth Proportional to 60,577,570,306.54, 90,868,206,617.42 and 20,782,786,939.53

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Solution

The fourth proportional to 60,577,570,306.54, 90,868,206,617.42 and 20,782,786,939.53 is: 31,174,815,499.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,577,570,306.54 : 90,868,206,617.42 = 20,782,786,939.53 : x
  2. Step 2: Convert to fraction form
    60,577,570,306.54/90,868,206,617.42 = 20,782,786,939.53/x
  3. Step 3: Cross multiply
    60,577,570,306.54x = 90,868,206,617.42 × 20,782,786,939.53
  4. Step 4: Simplify right side
    60,577,570,306.54x = 1,888,494,577,706,562,486,272
  5. Step 5: Solve for x
    x = 1,888,494,577,706,562,486,272/60,577,570,306.54
  6. Step 6: Final answer
    x = 31,174,815,499.37

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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.