Home / 158,394,787,309.44-219,160,400,731.92-138,114,532,422.72

Finding the Fourth Proportional to 158,394,787,309.44, 219,160,400,731.92 and 138,114,532,422.72

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Solution

The fourth proportional to 158,394,787,309.44, 219,160,400,731.92 and 138,114,532,422.72 is: 191,099,952,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,394,787,309.44 : 219,160,400,731.92 = 138,114,532,422.72 : x
  2. Step 2: Convert to fraction form
    158,394,787,309.44/219,160,400,731.92 = 138,114,532,422.72/x
  3. Step 3: Cross multiply
    158,394,787,309.44x = 219,160,400,731.92 × 138,114,532,422.72
  4. Step 4: Simplify right side
    158,394,787,309.44x = 30,269,236,272,665,074,860,032
  5. Step 5: Solve for x
    x = 30,269,236,272,665,074,860,032/158,394,787,309.44
  6. Step 6: Final answer
    x = 191,099,952,131.20

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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.