Home / 220,474,983.60-304,253,062.92-121,353,611.76

Finding the Fourth Proportional to 220,474,983.60, 304,253,062.92 and 121,353,611.76

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Solution

The fourth proportional to 220,474,983.60, 304,253,062.92 and 121,353,611.76 is: 167,466,655.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,474,983.60 : 304,253,062.92 = 121,353,611.76 : x
  2. Step 2: Convert to fraction form
    220,474,983.60/304,253,062.92 = 121,353,611.76/x
  3. Step 3: Cross multiply
    220,474,983.60x = 304,253,062.92 × 121,353,611.76
  4. Step 4: Simplify right side
    220,474,983.60x = 36,922,208,074,384,536
  5. Step 5: Solve for x
    x = 36,922,208,074,384,536/220,474,983.60
  6. Step 6: Final answer
    x = 167,466,655.27

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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.