Home / 113,603,786.60-170,306,147.10-68,183,652.20

Finding the Fourth Proportional to 113,603,786.60, 170,306,147.10 and 68,183,652.20

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Solution

The fourth proportional to 113,603,786.60, 170,306,147.10 and 68,183,652.20 is: 102,215,739.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,603,786.60 : 170,306,147.10 = 68,183,652.20 : x
  2. Step 2: Convert to fraction form
    113,603,786.60/170,306,147.10 = 68,183,652.20/x
  3. Step 3: Cross multiply
    113,603,786.60x = 170,306,147.10 × 68,183,652.20
  4. Step 4: Simplify right side
    113,603,786.60x = 11,612,095,101,388,438
  5. Step 5: Solve for x
    x = 11,612,095,101,388,438/113,603,786.60
  6. Step 6: Final answer
    x = 102,215,739.89

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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.