Home / 166,620,015.64-250,091,230.74-80,419,102.84

Finding the Fourth Proportional to 166,620,015.64, 250,091,230.74 and 80,419,102.84

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Solution

The fourth proportional to 166,620,015.64, 250,091,230.74 and 80,419,102.84 is: 120,706,460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,620,015.64 : 250,091,230.74 = 80,419,102.84 : x
  2. Step 2: Convert to fraction form
    166,620,015.64/250,091,230.74 = 80,419,102.84/x
  3. Step 3: Cross multiply
    166,620,015.64x = 250,091,230.74 × 80,419,102.84
  4. Step 4: Simplify right side
    166,620,015.64x = 20,112,112,404,262,232
  5. Step 5: Solve for x
    x = 20,112,112,404,262,232/166,620,015.64
  6. Step 6: Final answer
    x = 120,706,460.91

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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.