Home / 54,106,929,811.20-81,160,394,716.80-45,738,647,248.80

Finding the Fourth Proportional to 54,106,929,811.20, 81,160,394,716.80 and 45,738,647,248.80

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Solution

The fourth proportional to 54,106,929,811.20, 81,160,394,716.80 and 45,738,647,248.80 is: 68,607,970,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,106,929,811.20 : 81,160,394,716.80 = 45,738,647,248.80 : x
  2. Step 2: Convert to fraction form
    54,106,929,811.20/81,160,394,716.80 = 45,738,647,248.80/x
  3. Step 3: Cross multiply
    54,106,929,811.20x = 81,160,394,716.80 × 45,738,647,248.80
  4. Step 4: Simplify right side
    54,106,929,811.20x = 3,712,166,664,525,086,982,144
  5. Step 5: Solve for x
    x = 3,712,166,664,525,086,982,144/54,106,929,811.20
  6. Step 6: Final answer
    x = 68,607,970,873.20

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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.