Home / 78,906,058,107.12-108,898,476,147.87-48,008,536,449.26

Finding the Fourth Proportional to 78,906,058,107.12, 108,898,476,147.87 and 48,008,536,449.26

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Solution

The fourth proportional to 78,906,058,107.12, 108,898,476,147.87 and 48,008,536,449.26 is: 66,256,718,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,906,058,107.12 : 108,898,476,147.87 = 48,008,536,449.26 : x
  2. Step 2: Convert to fraction form
    78,906,058,107.12/108,898,476,147.87 = 48,008,536,449.26/x
  3. Step 3: Cross multiply
    78,906,058,107.12x = 108,898,476,147.87 × 48,008,536,449.26
  4. Step 4: Simplify right side
    78,906,058,107.12x = 5,228,056,461,413,888,032,768
  5. Step 5: Solve for x
    x = 5,228,056,461,413,888,032,768/78,906,058,107.12
  6. Step 6: Final answer
    x = 66,256,718,265.11

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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.