Home / 65,217,998.20-97,826,997.30-19,782,052.60

Finding the Fourth Proportional to 65,217,998.20, 97,826,997.30 and 19,782,052.60

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Solution

The fourth proportional to 65,217,998.20, 97,826,997.30 and 19,782,052.60 is: 29,673,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,217,998.20 : 97,826,997.30 = 19,782,052.60 : x
  2. Step 2: Convert to fraction form
    65,217,998.20/97,826,997.30 = 19,782,052.60/x
  3. Step 3: Cross multiply
    65,217,998.20x = 97,826,997.30 × 19,782,052.60
  4. Step 4: Simplify right side
    65,217,998.20x = 1,935,218,806,288,658
  5. Step 5: Solve for x
    x = 1,935,218,806,288,658/65,217,998.20
  6. Step 6: Final answer
    x = 29,673,078.90

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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.