Home / 138,278,310,253.36-190,718,413,022.11-119,020,023,372.04

Finding the Fourth Proportional to 138,278,310,253.36, 190,718,413,022.11 and 119,020,023,372.04

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Solution

The fourth proportional to 138,278,310,253.36, 190,718,413,022.11 and 119,020,023,372.04 is: 164,156,691,919.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,278,310,253.36 : 190,718,413,022.11 = 119,020,023,372.04 : x
  2. Step 2: Convert to fraction form
    138,278,310,253.36/190,718,413,022.11 = 119,020,023,372.04/x
  3. Step 3: Cross multiply
    138,278,310,253.36x = 190,718,413,022.11 × 119,020,023,372.04
  4. Step 4: Simplify right side
    138,278,310,253.36x = 22,699,309,975,369,907,437,568
  5. Step 5: Solve for x
    x = 22,699,309,975,369,907,437,568/138,278,310,253.36
  6. Step 6: Final answer
    x = 164,156,691,919.21

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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.