Home / 120,994,155,008.54-166,986,575,483.92-68,863,560,462.80

Finding the Fourth Proportional to 120,994,155,008.54, 166,986,575,483.92 and 68,863,560,462.80

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Solution

The fourth proportional to 120,994,155,008.54, 166,986,575,483.92 and 68,863,560,462.80 is: 95,040,046,657.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,994,155,008.54 : 166,986,575,483.92 = 68,863,560,462.80 : x
  2. Step 2: Convert to fraction form
    120,994,155,008.54/166,986,575,483.92 = 68,863,560,462.80/x
  3. Step 3: Cross multiply
    120,994,155,008.54x = 166,986,575,483.92 × 68,863,560,462.80
  4. Step 4: Simplify right side
    120,994,155,008.54x = 11,499,290,137,312,842,743,808
  5. Step 5: Solve for x
    x = 11,499,290,137,312,842,743,808/120,994,155,008.54
  6. Step 6: Final answer
    x = 95,040,046,657.64

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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.