Home / 262,228,292.20-393,342,438.30-80,451,850.60

Finding the Fourth Proportional to 262,228,292.20, 393,342,438.30 and 80,451,850.60

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Solution

The fourth proportional to 262,228,292.20, 393,342,438.30 and 80,451,850.60 is: 120,677,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,228,292.20 : 393,342,438.30 = 80,451,850.60 : x
  2. Step 2: Convert to fraction form
    262,228,292.20/393,342,438.30 = 80,451,850.60/x
  3. Step 3: Cross multiply
    262,228,292.20x = 393,342,438.30 × 80,451,850.60
  4. Step 4: Simplify right side
    262,228,292.20x = 31,645,127,080,751,316
  5. Step 5: Solve for x
    x = 31,645,127,080,751,316/262,228,292.20
  6. Step 6: Final answer
    x = 120,677,775.90

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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.