Home / 50,860,288.85-76,245,011.69-18,489,387.20

Finding the Fourth Proportional to 50,860,288.85, 76,245,011.69 and 18,489,387.20

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Solution

The fourth proportional to 50,860,288.85, 76,245,011.69 and 18,489,387.20 is: 27,717,568.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,860,288.85 : 76,245,011.69 = 18,489,387.20 : x
  2. Step 2: Convert to fraction form
    50,860,288.85/76,245,011.69 = 18,489,387.20/x
  3. Step 3: Cross multiply
    50,860,288.85x = 76,245,011.69 × 18,489,387.20
  4. Step 4: Simplify right side
    50,860,288.85x = 1,409,723,542,731,264.50
  5. Step 5: Solve for x
    x = 1,409,723,542,731,264.50/50,860,288.85
  6. Step 6: Final answer
    x = 27,717,568.55

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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.