Home / 71,912,812.29-107,857,408.63-30,961,226.35

Finding the Fourth Proportional to 71,912,812.29, 107,857,408.63 and 30,961,226.35

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Solution

The fourth proportional to 71,912,812.29, 107,857,408.63 and 30,961,226.35 is: 46,436,754.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,912,812.29 : 107,857,408.63 = 30,961,226.35 : x
  2. Step 2: Convert to fraction form
    71,912,812.29/107,857,408.63 = 30,961,226.35/x
  3. Step 3: Cross multiply
    71,912,812.29x = 107,857,408.63 × 30,961,226.35
  4. Step 4: Simplify right side
    71,912,812.29x = 3,339,397,642,117,873.50
  5. Step 5: Solve for x
    x = 3,339,397,642,117,873.50/71,912,812.29
  6. Step 6: Final answer
    x = 46,436,754.95

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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.