Home / 65,911,121.40-90,957,183.30-36,541,697.88

Finding the Fourth Proportional to 65,911,121.40, 90,957,183.30 and 36,541,697.88

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Solution

The fourth proportional to 65,911,121.40, 90,957,183.30 and 36,541,697.88 is: 50,427,452.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,911,121.40 : 90,957,183.30 = 36,541,697.88 : x
  2. Step 2: Convert to fraction form
    65,911,121.40/90,957,183.30 = 36,541,697.88/x
  3. Step 3: Cross multiply
    65,911,121.40x = 90,957,183.30 × 36,541,697.88
  4. Step 4: Simplify right side
    65,911,121.40x = 3,323,729,912,164,381.50
  5. Step 5: Solve for x
    x = 3,323,729,912,164,381.50/65,911,121.40
  6. Step 6: Final answer
    x = 50,427,452.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.