Home / 120,994,155,014.60-166,986,575,492.16-68,863,560,468.80

Finding the Fourth Proportional to 120,994,155,014.60, 166,986,575,492.16 and 68,863,560,468.80

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Solution

The fourth proportional to 120,994,155,014.60, 166,986,575,492.16 and 68,863,560,468.80 is: 95,040,046,665.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,994,155,014.60 : 166,986,575,492.16 = 68,863,560,468.80 : x
  2. Step 2: Convert to fraction form
    120,994,155,014.60/166,986,575,492.16 = 68,863,560,468.80/x
  3. Step 3: Cross multiply
    120,994,155,014.60x = 166,986,575,492.16 × 68,863,560,468.80
  4. Step 4: Simplify right side
    120,994,155,014.60x = 11,499,290,138,882,196,111,360
  5. Step 5: Solve for x
    x = 11,499,290,138,882,196,111,360/120,994,155,014.60
  6. Step 6: Final answer
    x = 95,040,046,665.85

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1.5x scale

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.