Home / 74,682,970,321.10-103,062,809,557.55-40,388,676,878

Finding the Fourth Proportional to 74,682,970,321.10, 103,062,809,557.55 and 40,388,676,878

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Solution

The fourth proportional to 74,682,970,321.10, 103,062,809,557.55 and 40,388,676,878 is: 55,736,542,018.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,682,970,321.10 : 103,062,809,557.55 = 40,388,676,878 : x
  2. Step 2: Convert to fraction form
    74,682,970,321.10/103,062,809,557.55 = 40,388,676,878/x
  3. Step 3: Cross multiply
    74,682,970,321.10x = 103,062,809,557.55 × 40,388,676,878
  4. Step 4: Simplify right side
    74,682,970,321.10x = 4,162,570,513,358,737,375,232
  5. Step 5: Solve for x
    x = 4,162,570,513,358,737,375,232/74,682,970,321.10
  6. Step 6: Final answer
    x = 55,736,542,018.37

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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.