Home / 111,411,917.20-166,976,158.20-53,780,093.20

Finding the Fourth Proportional to 111,411,917.20, 166,976,158.20 and 53,780,093.20

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Solution

The fourth proportional to 111,411,917.20, 166,976,158.20 and 53,780,093.20 is: 80,601,730.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,411,917.20 : 166,976,158.20 = 53,780,093.20 : x
  2. Step 2: Convert to fraction form
    111,411,917.20/166,976,158.20 = 53,780,093.20/x
  3. Step 3: Cross multiply
    111,411,917.20x = 166,976,158.20 × 53,780,093.20
  4. Step 4: Simplify right side
    111,411,917.20x = 8,979,993,350,173,944
  5. Step 5: Solve for x
    x = 8,979,993,350,173,944/111,411,917.20
  6. Step 6: Final answer
    x = 80,601,730.73

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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.