Home / 120,994,155,208.08-166,986,575,759.47-68,863,560,663.20

Finding the Fourth Proportional to 120,994,155,208.08, 166,986,575,759.47 and 68,863,560,663.20

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Solution

The fourth proportional to 120,994,155,208.08, 166,986,575,759.47 and 68,863,560,663.20 is: 95,040,046,934.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,994,155,208.08 : 166,986,575,759.47 = 68,863,560,663.20 : x
  2. Step 2: Convert to fraction form
    120,994,155,208.08/166,986,575,759.47 = 68,863,560,663.20/x
  3. Step 3: Cross multiply
    120,994,155,208.08x = 166,986,575,759.47 × 68,863,560,663.20
  4. Step 4: Simplify right side
    120,994,155,208.08x = 11,499,290,189,751,472,095,232
  5. Step 5: Solve for x
    x = 11,499,290,189,751,472,095,232/120,994,155,208.08
  6. Step 6: Final answer
    x = 95,040,046,934.30

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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.