Home / 74,682,970,319.48-103,062,809,555.31-40,388,676,876.37

Finding the Fourth Proportional to 74,682,970,319.48, 103,062,809,555.31 and 40,388,676,876.37

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Solution

The fourth proportional to 74,682,970,319.48, 103,062,809,555.31 and 40,388,676,876.37 is: 55,736,542,016.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,682,970,319.48 : 103,062,809,555.31 = 40,388,676,876.37 : x
  2. Step 2: Convert to fraction form
    74,682,970,319.48/103,062,809,555.31 = 40,388,676,876.37/x
  3. Step 3: Cross multiply
    74,682,970,319.48x = 103,062,809,555.31 × 40,388,676,876.37
  4. Step 4: Simplify right side
    74,682,970,319.48x = 4,162,570,513,100,480,446,464
  5. Step 5: Solve for x
    x = 4,162,570,513,100,480,446,464/74,682,970,319.48
  6. Step 6: Final answer
    x = 55,736,542,016.13

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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.