Home / 80,911,222.08-121,341,535.20-27,045,936.96

Finding the Fourth Proportional to 80,911,222.08, 121,341,535.20 and 27,045,936.96

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Solution

The fourth proportional to 80,911,222.08, 121,341,535.20 and 27,045,936.96 is: 40,560,449.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,911,222.08 : 121,341,535.20 = 27,045,936.96 : x
  2. Step 2: Convert to fraction form
    80,911,222.08/121,341,535.20 = 27,045,936.96/x
  3. Step 3: Cross multiply
    80,911,222.08x = 121,341,535.20 × 27,045,936.96
  4. Step 4: Simplify right side
    80,911,222.08x = 3,281,795,511,648,821
  5. Step 5: Solve for x
    x = 3,281,795,511,648,821/80,911,222.08
  6. Step 6: Final answer
    x = 40,560,449.18

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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.