Home / 138,222,511.54-190,745,932.33-75,498,649.49

Finding the Fourth Proportional to 138,222,511.54, 190,745,932.33 and 75,498,649.49

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Solution

The fourth proportional to 138,222,511.54, 190,745,932.33 and 75,498,649.49 is: 104,187,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,222,511.54 : 190,745,932.33 = 75,498,649.49 : x
  2. Step 2: Convert to fraction form
    138,222,511.54/190,745,932.33 = 75,498,649.49/x
  3. Step 3: Cross multiply
    138,222,511.54x = 190,745,932.33 × 75,498,649.49
  4. Step 4: Simplify right side
    138,222,511.54x = 14,401,060,286,248,434
  5. Step 5: Solve for x
    x = 14,401,060,286,248,434/138,222,511.54
  6. Step 6: Final answer
    x = 104,187,517.12

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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.