Home / 80,329,979.03-110,857,709.39-45,521,512.07

Finding the Fourth Proportional to 80,329,979.03, 110,857,709.39 and 45,521,512.07

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Solution

The fourth proportional to 80,329,979.03, 110,857,709.39 and 45,521,512.07 is: 62,821,011.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,329,979.03 : 110,857,709.39 = 45,521,512.07 : x
  2. Step 2: Convert to fraction form
    80,329,979.03/110,857,709.39 = 45,521,512.07/x
  3. Step 3: Cross multiply
    80,329,979.03x = 110,857,709.39 × 45,521,512.07
  4. Step 4: Simplify right side
    80,329,979.03x = 5,046,410,555,267,541
  5. Step 5: Solve for x
    x = 5,046,410,555,267,541/80,329,979.03
  6. Step 6: Final answer
    x = 62,821,011.74

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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.