Home / 220,474,986.90-304,253,067.45-121,353,615.06

Finding the Fourth Proportional to 220,474,986.90, 304,253,067.45 and 121,353,615.06

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Solution

The fourth proportional to 220,474,986.90, 304,253,067.45 and 121,353,615.06 is: 167,466,659.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,474,986.90 : 304,253,067.45 = 121,353,615.06 : x
  2. Step 2: Convert to fraction form
    220,474,986.90/304,253,067.45 = 121,353,615.06/x
  3. Step 3: Cross multiply
    220,474,986.90x = 304,253,067.45 × 121,353,615.06
  4. Step 4: Simplify right side
    220,474,986.90x = 36,922,209,628,151,512
  5. Step 5: Solve for x
    x = 36,922,209,628,151,512/220,474,986.90
  6. Step 6: Final answer
    x = 167,466,659.81

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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.