Home / 199,278,621.16-298,883,863.24-53,678,131.92

Finding the Fourth Proportional to 199,278,621.16, 298,883,863.24 and 53,678,131.92

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Solution

The fourth proportional to 199,278,621.16, 298,883,863.24 and 53,678,131.92 is: 80,508,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,278,621.16 : 298,883,863.24 = 53,678,131.92 : x
  2. Step 2: Convert to fraction form
    199,278,621.16/298,883,863.24 = 53,678,131.92/x
  3. Step 3: Cross multiply
    199,278,621.16x = 298,883,863.24 × 53,678,131.92
  4. Step 4: Simplify right side
    199,278,621.16x = 16,043,527,439,621,764
  5. Step 5: Solve for x
    x = 16,043,527,439,621,764/199,278,621.16
  6. Step 6: Final answer
    x = 80,508,021.11

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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.