Home / 43,578,047.20-65,367,070.80-38,800,472.80

Finding the Fourth Proportional to 43,578,047.20, 65,367,070.80 and 38,800,472.80

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Solution

The fourth proportional to 43,578,047.20, 65,367,070.80 and 38,800,472.80 is: 58,200,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,578,047.20 : 65,367,070.80 = 38,800,472.80 : x
  2. Step 2: Convert to fraction form
    43,578,047.20/65,367,070.80 = 38,800,472.80/x
  3. Step 3: Cross multiply
    43,578,047.20x = 65,367,070.80 × 38,800,472.80
  4. Step 4: Simplify right side
    43,578,047.20x = 2,536,273,252,591,074
  5. Step 5: Solve for x
    x = 2,536,273,252,591,074/43,578,047.20
  6. Step 6: Final answer
    x = 58,200,709.20

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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.