Home / 72,600,251.70-108,942,367.95-27,166,638.90

Finding the Fourth Proportional to 72,600,251.70, 108,942,367.95 and 27,166,638.90

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Solution

The fourth proportional to 72,600,251.70, 108,942,367.95 and 27,166,638.90 is: 40,765,670.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,600,251.70 : 108,942,367.95 = 27,166,638.90 : x
  2. Step 2: Convert to fraction form
    72,600,251.70/108,942,367.95 = 27,166,638.90/x
  3. Step 3: Cross multiply
    72,600,251.70x = 108,942,367.95 × 27,166,638.90
  4. Step 4: Simplify right side
    72,600,251.70x = 2,959,597,971,008,583
  5. Step 5: Solve for x
    x = 2,959,597,971,008,583/72,600,251.70
  6. Step 6: Final answer
    x = 40,765,670.94

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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.