Home / 55,222,566.12-76,207,372.20-30,442,209.12

Finding the Fourth Proportional to 55,222,566.12, 76,207,372.20 and 30,442,209.12

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Solution

The fourth proportional to 55,222,566.12, 76,207,372.20 and 30,442,209.12 is: 42,010,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,222,566.12 : 76,207,372.20 = 30,442,209.12 : x
  2. Step 2: Convert to fraction form
    55,222,566.12/76,207,372.20 = 30,442,209.12/x
  3. Step 3: Cross multiply
    55,222,566.12x = 76,207,372.20 × 30,442,209.12
  4. Step 4: Simplify right side
    55,222,566.12x = 2,319,920,760,998,074.50
  5. Step 5: Solve for x
    x = 2,319,920,760,998,074.50/55,222,566.12
  6. Step 6: Final answer
    x = 42,010,375.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.