Home / 120,683,792.70-166,561,183.28-67,766,440.86

Finding the Fourth Proportional to 120,683,792.70, 166,561,183.28 and 67,766,440.86

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Solution

The fourth proportional to 120,683,792.70, 166,561,183.28 and 67,766,440.86 is: 93,527,542.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,683,792.70 : 166,561,183.28 = 67,766,440.86 : x
  2. Step 2: Convert to fraction form
    120,683,792.70/166,561,183.28 = 67,766,440.86/x
  3. Step 3: Cross multiply
    120,683,792.70x = 166,561,183.28 × 67,766,440.86
  4. Step 4: Simplify right side
    120,683,792.70x = 11,287,258,576,315,740
  5. Step 5: Solve for x
    x = 11,287,258,576,315,740/120,683,792.70
  6. Step 6: Final answer
    x = 93,527,542.71

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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.