Home / 54,106,929,813.70-81,160,394,720.55-45,738,647,251.30

Finding the Fourth Proportional to 54,106,929,813.70, 81,160,394,720.55 and 45,738,647,251.30

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Solution

The fourth proportional to 54,106,929,813.70, 81,160,394,720.55 and 45,738,647,251.30 is: 68,607,970,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,106,929,813.70 : 81,160,394,720.55 = 45,738,647,251.30 : x
  2. Step 2: Convert to fraction form
    54,106,929,813.70/81,160,394,720.55 = 45,738,647,251.30/x
  3. Step 3: Cross multiply
    54,106,929,813.70x = 81,160,394,720.55 × 45,738,647,251.30
  4. Step 4: Simplify right side
    54,106,929,813.70x = 3,712,166,664,899,507,781,632
  5. Step 5: Solve for x
    x = 3,712,166,664,899,507,781,632/54,106,929,813.70
  6. Step 6: Final answer
    x = 68,607,970,876.95

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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.