Home / 71,366,892-107,054,770.32-20,252,911.20

Finding the Fourth Proportional to 71,366,892, 107,054,770.32 and 20,252,911.20

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Solution

The fourth proportional to 71,366,892, 107,054,770.32 and 20,252,911.20 is: 30,380,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,366,892 : 107,054,770.32 = 20,252,911.20 : x
  2. Step 2: Convert to fraction form
    71,366,892/107,054,770.32 = 20,252,911.20/x
  3. Step 3: Cross multiply
    71,366,892x = 107,054,770.32 × 20,252,911.20
  4. Step 4: Simplify right side
    71,366,892x = 2,168,170,756,827,355.25
  5. Step 5: Solve for x
    x = 2,168,170,756,827,355.25/71,366,892
  6. Step 6: Final answer
    x = 30,380,624.63

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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.