Home / 120,994,155,006.54-166,986,575,481.15-68,863,560,460.80

Finding the Fourth Proportional to 120,994,155,006.54, 166,986,575,481.15 and 68,863,560,460.80

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Solution

The fourth proportional to 120,994,155,006.54, 166,986,575,481.15 and 68,863,560,460.80 is: 95,040,046,654.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,994,155,006.54 : 166,986,575,481.15 = 68,863,560,460.80 : x
  2. Step 2: Convert to fraction form
    120,994,155,006.54/166,986,575,481.15 = 68,863,560,460.80/x
  3. Step 3: Cross multiply
    120,994,155,006.54x = 166,986,575,481.15 × 68,863,560,460.80
  4. Step 4: Simplify right side
    120,994,155,006.54x = 11,499,290,136,788,116,439,040
  5. Step 5: Solve for x
    x = 11,499,290,136,788,116,439,040/120,994,155,006.54
  6. Step 6: Final answer
    x = 95,040,046,654.87

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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.