Home / 80,106,546.30-120,159,819.45-49,873,458.30

Finding the Fourth Proportional to 80,106,546.30, 120,159,819.45 and 49,873,458.30

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Solution

The fourth proportional to 80,106,546.30, 120,159,819.45 and 49,873,458.30 is: 74,810,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,106,546.30 : 120,159,819.45 = 49,873,458.30 : x
  2. Step 2: Convert to fraction form
    80,106,546.30/120,159,819.45 = 49,873,458.30/x
  3. Step 3: Cross multiply
    80,106,546.30x = 120,159,819.45 × 49,873,458.30
  4. Step 4: Simplify right side
    80,106,546.30x = 5,992,785,744,675,104
  5. Step 5: Solve for x
    x = 5,992,785,744,675,104/80,106,546.30
  6. Step 6: Final answer
    x = 74,810,187.45

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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.