Home / 80,322,022.80-120,483,034.20-54,812,854.80

Finding the Fourth Proportional to 80,322,022.80, 120,483,034.20 and 54,812,854.80

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Solution

The fourth proportional to 80,322,022.80, 120,483,034.20 and 54,812,854.80 is: 82,219,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,322,022.80 : 120,483,034.20 = 54,812,854.80 : x
  2. Step 2: Convert to fraction form
    80,322,022.80/120,483,034.20 = 54,812,854.80/x
  3. Step 3: Cross multiply
    80,322,022.80x = 120,483,034.20 × 54,812,854.80
  4. Step 4: Simplify right side
    80,322,022.80x = 6,604,019,059,468,034
  5. Step 5: Solve for x
    x = 6,604,019,059,468,034/80,322,022.80
  6. Step 6: Final answer
    x = 82,219,282.20

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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.