Home / 74,682,970,761.12-103,062,810,163.20-40,388,677,317.76

Finding the Fourth Proportional to 74,682,970,761.12, 103,062,810,163.20 and 40,388,677,317.76

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Solution

The fourth proportional to 74,682,970,761.12, 103,062,810,163.20 and 40,388,677,317.76 is: 55,736,542,624.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,682,970,761.12 : 103,062,810,163.20 = 40,388,677,317.76 : x
  2. Step 2: Convert to fraction form
    74,682,970,761.12/103,062,810,163.20 = 40,388,677,317.76/x
  3. Step 3: Cross multiply
    74,682,970,761.12x = 103,062,810,163.20 × 40,388,677,317.76
  4. Step 4: Simplify right side
    74,682,970,761.12x = 4,162,570,583,143,040,942,080
  5. Step 5: Solve for x
    x = 4,162,570,583,143,040,942,080/74,682,970,761.12
  6. Step 6: Final answer
    x = 55,736,542,624.39

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1.5x scale

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.