Home / 50,420,403.62-75,633,287.30-15,879,506.55

Finding the Fourth Proportional to 50,420,403.62, 75,633,287.30 and 15,879,506.55

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Solution

The fourth proportional to 50,420,403.62, 75,633,287.30 and 15,879,506.55 is: 23,820,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,420,403.62 : 75,633,287.30 = 15,879,506.55 : x
  2. Step 2: Convert to fraction form
    50,420,403.62/75,633,287.30 = 15,879,506.55/x
  3. Step 3: Cross multiply
    50,420,403.62x = 75,633,287.30 × 15,879,506.55
  4. Step 4: Simplify right side
    50,420,403.62x = 1,201,019,281,078,381.75
  5. Step 5: Solve for x
    x = 1,201,019,281,078,381.75/50,420,403.62
  6. Step 6: Final answer
    x = 23,820,104.46

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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.