Home / 111,245,110.20-166,867,665.30-107,214,031.80

Finding the Fourth Proportional to 111,245,110.20, 166,867,665.30 and 107,214,031.80

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Solution

The fourth proportional to 111,245,110.20, 166,867,665.30 and 107,214,031.80 is: 160,821,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,245,110.20 : 166,867,665.30 = 107,214,031.80 : x
  2. Step 2: Convert to fraction form
    111,245,110.20/166,867,665.30 = 107,214,031.80/x
  3. Step 3: Cross multiply
    111,245,110.20x = 166,867,665.30 × 107,214,031.80
  4. Step 4: Simplify right side
    111,245,110.20x = 17,890,555,173,865,958
  5. Step 5: Solve for x
    x = 17,890,555,173,865,958/111,245,110.20
  6. Step 6: Final answer
    x = 160,821,047.70

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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.