Home / 166,620,009.64-250,091,221.76-80,419,096.84

Finding the Fourth Proportional to 166,620,009.64, 250,091,221.76 and 80,419,096.84

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Solution

The fourth proportional to 166,620,009.64, 250,091,221.76 and 80,419,096.84 is: 120,706,451.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,620,009.64 : 250,091,221.76 = 80,419,096.84 : x
  2. Step 2: Convert to fraction form
    166,620,009.64/250,091,221.76 = 80,419,096.84/x
  3. Step 3: Cross multiply
    166,620,009.64x = 250,091,221.76 × 80,419,096.84
  4. Step 4: Simplify right side
    166,620,009.64x = 20,112,110,181,551,356
  5. Step 5: Solve for x
    x = 20,112,110,181,551,356/166,620,009.64
  6. Step 6: Final answer
    x = 120,706,451.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.