Home / 79,712,104.20-119,568,156.30-50,990,670.60

Finding the Fourth Proportional to 79,712,104.20, 119,568,156.30 and 50,990,670.60

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Solution

The fourth proportional to 79,712,104.20, 119,568,156.30 and 50,990,670.60 is: 76,486,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,712,104.20 : 119,568,156.30 = 50,990,670.60 : x
  2. Step 2: Convert to fraction form
    79,712,104.20/119,568,156.30 = 50,990,670.60/x
  3. Step 3: Cross multiply
    79,712,104.20x = 119,568,156.30 × 50,990,670.60
  4. Step 4: Simplify right side
    79,712,104.20x = 6,096,860,472,142,615
  5. Step 5: Solve for x
    x = 6,096,860,472,142,615/79,712,104.20
  6. Step 6: Final answer
    x = 76,486,005.90

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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.