Home / 111,124,680.30-166,687,020.45-104,889,105.90

Finding the Fourth Proportional to 111,124,680.30, 166,687,020.45 and 104,889,105.90

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Solution

The fourth proportional to 111,124,680.30, 166,687,020.45 and 104,889,105.90 is: 157,333,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,124,680.30 : 166,687,020.45 = 104,889,105.90 : x
  2. Step 2: Convert to fraction form
    111,124,680.30/166,687,020.45 = 104,889,105.90/x
  3. Step 3: Cross multiply
    111,124,680.30x = 166,687,020.45 × 104,889,105.90
  4. Step 4: Simplify right side
    111,124,680.30x = 17,483,652,540,135,516
  5. Step 5: Solve for x
    x = 17,483,652,540,135,516/111,124,680.30
  6. Step 6: Final answer
    x = 157,333,658.85

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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.