Home / 111,235,455.60-166,853,183.40-76,798,078.80

Finding the Fourth Proportional to 111,235,455.60, 166,853,183.40 and 76,798,078.80

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Solution

The fourth proportional to 111,235,455.60, 166,853,183.40 and 76,798,078.80 is: 115,197,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,235,455.60 : 166,853,183.40 = 76,798,078.80 : x
  2. Step 2: Convert to fraction form
    111,235,455.60/166,853,183.40 = 76,798,078.80/x
  3. Step 3: Cross multiply
    111,235,455.60x = 166,853,183.40 × 76,798,078.80
  4. Step 4: Simplify right side
    111,235,455.60x = 12,814,003,926,784,052
  5. Step 5: Solve for x
    x = 12,814,003,926,784,052/111,235,455.60
  6. Step 6: Final answer
    x = 115,197,118.20

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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.