Home / 111,905,452.50-167,850,474.03-68,781,311.70

Finding the Fourth Proportional to 111,905,452.50, 167,850,474.03 and 68,781,311.70

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Solution

The fourth proportional to 111,905,452.50, 167,850,474.03 and 68,781,311.70 is: 103,167,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,905,452.50 : 167,850,474.03 = 68,781,311.70 : x
  2. Step 2: Convert to fraction form
    111,905,452.50/167,850,474.03 = 68,781,311.70/x
  3. Step 3: Cross multiply
    111,905,452.50x = 167,850,474.03 × 68,781,311.70
  4. Step 4: Simplify right side
    111,905,452.50x = 11,544,975,773,250,186
  5. Step 5: Solve for x
    x = 11,544,975,773,250,186/111,905,452.50
  6. Step 6: Final answer
    x = 103,167,231.94

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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.