Home / 55,491,042.54-76,577,074.56-30,711,277.50

Finding the Fourth Proportional to 55,491,042.54, 76,577,074.56 and 30,711,277.50

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Solution

The fourth proportional to 55,491,042.54, 76,577,074.56 and 30,711,277.50 is: 42,381,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,491,042.54 : 76,577,074.56 = 30,711,277.50 : x
  2. Step 2: Convert to fraction form
    55,491,042.54/76,577,074.56 = 30,711,277.50/x
  3. Step 3: Cross multiply
    55,491,042.54x = 76,577,074.56 × 30,711,277.50
  4. Step 4: Simplify right side
    55,491,042.54x = 2,351,779,786,950,350.50
  5. Step 5: Solve for x
    x = 2,351,779,786,950,350.50/55,491,042.54
  6. Step 6: Final answer
    x = 42,381,250.73

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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.