Home / 74,248,868.70-111,329,016.30-45,515,625.30

Finding the Fourth Proportional to 74,248,868.70, 111,329,016.30 and 45,515,625.30

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Solution

The fourth proportional to 74,248,868.70, 111,329,016.30 and 45,515,625.30 is: 68,246,289.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,248,868.70 : 111,329,016.30 = 45,515,625.30 : x
  2. Step 2: Convert to fraction form
    74,248,868.70/111,329,016.30 = 45,515,625.30/x
  3. Step 3: Cross multiply
    74,248,868.70x = 111,329,016.30 × 45,515,625.30
  4. Step 4: Simplify right side
    74,248,868.70x = 5,067,209,790,928,392
  5. Step 5: Solve for x
    x = 5,067,209,790,928,392/74,248,868.70
  6. Step 6: Final answer
    x = 68,246,289.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.