Home / 74,682,970,752.52-103,062,810,151.47-40,388,677,309.18

Finding the Fourth Proportional to 74,682,970,752.52, 103,062,810,151.47 and 40,388,677,309.18

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Solution

The fourth proportional to 74,682,970,752.52, 103,062,810,151.47 and 40,388,677,309.18 is: 55,736,542,612.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,682,970,752.52 : 103,062,810,151.47 = 40,388,677,309.18 : x
  2. Step 2: Convert to fraction form
    74,682,970,752.52/103,062,810,151.47 = 40,388,677,309.18/x
  3. Step 3: Cross multiply
    74,682,970,752.52x = 103,062,810,151.47 × 40,388,677,309.18
  4. Step 4: Simplify right side
    74,682,970,752.52x = 4,162,570,581,785,002,377,216
  5. Step 5: Solve for x
    x = 4,162,570,581,785,002,377,216/74,682,970,752.52
  6. Step 6: Final answer
    x = 55,736,542,612.62

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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.