Home / 80,060,920.78-120,048,226.14-43,192,578.64

Finding the Fourth Proportional to 80,060,920.78, 120,048,226.14 and 43,192,578.64

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Solution

The fourth proportional to 80,060,920.78, 120,048,226.14 and 43,192,578.64 is: 64,765,585.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,060,920.78 : 120,048,226.14 = 43,192,578.64 : x
  2. Step 2: Convert to fraction form
    80,060,920.78/120,048,226.14 = 43,192,578.64/x
  3. Step 3: Cross multiply
    80,060,920.78x = 120,048,226.14 × 43,192,578.64
  4. Step 4: Simplify right side
    80,060,920.78x = 5,185,192,448,144,454
  5. Step 5: Solve for x
    x = 5,185,192,448,144,454/80,060,920.78
  6. Step 6: Final answer
    x = 64,765,585.98

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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.