Home / 120,994,155,197.81-166,986,575,745.33-68,863,560,652.95

Finding the Fourth Proportional to 120,994,155,197.81, 166,986,575,745.33 and 68,863,560,652.95

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Solution

The fourth proportional to 120,994,155,197.81, 166,986,575,745.33 and 68,863,560,652.95 is: 95,040,046,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,994,155,197.81 : 166,986,575,745.33 = 68,863,560,652.95 : x
  2. Step 2: Convert to fraction form
    120,994,155,197.81/166,986,575,745.33 = 68,863,560,652.95/x
  3. Step 3: Cross multiply
    120,994,155,197.81x = 166,986,575,745.33 × 68,863,560,652.95
  4. Step 4: Simplify right side
    120,994,155,197.81x = 11,499,290,187,066,960,248,832
  5. Step 5: Solve for x
    x = 11,499,290,187,066,960,248,832/120,994,155,197.81
  6. Step 6: Final answer
    x = 95,040,046,920.18

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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.