Home / 166,620,017.64-250,091,233.74-80,419,104.84

Finding the Fourth Proportional to 166,620,017.64, 250,091,233.74 and 80,419,104.84

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Solution

The fourth proportional to 166,620,017.64, 250,091,233.74 and 80,419,104.84 is: 120,706,463.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,620,017.64 : 250,091,233.74 = 80,419,104.84 : x
  2. Step 2: Convert to fraction form
    166,620,017.64/250,091,233.74 = 80,419,104.84/x
  3. Step 3: Cross multiply
    166,620,017.64x = 250,091,233.74 × 80,419,104.84
  4. Step 4: Simplify right side
    166,620,017.64x = 20,112,113,145,702,008
  5. Step 5: Solve for x
    x = 20,112,113,145,702,008/166,620,017.64
  6. Step 6: Final answer
    x = 120,706,463.91

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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.