Home / 111,105,691.40-166,608,770.70-50,490,216.20

Finding the Fourth Proportional to 111,105,691.40, 166,608,770.70 and 50,490,216.20

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Solution

The fourth proportional to 111,105,691.40, 166,608,770.70 and 50,490,216.20 is: 75,712,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,105,691.40 : 166,608,770.70 = 50,490,216.20 : x
  2. Step 2: Convert to fraction form
    111,105,691.40/166,608,770.70 = 50,490,216.20/x
  3. Step 3: Cross multiply
    111,105,691.40x = 166,608,770.70 × 50,490,216.20
  4. Step 4: Simplify right side
    111,105,691.40x = 8,412,112,853,459,225
  5. Step 5: Solve for x
    x = 8,412,112,853,459,225/111,105,691.40
  6. Step 6: Final answer
    x = 75,712,708.75

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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.