Home / 71,282,980.65-106,969,450.42-30,342,354.42

Finding the Fourth Proportional to 71,282,980.65, 106,969,450.42 and 30,342,354.42

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Solution

The fourth proportional to 71,282,980.65, 106,969,450.42 and 30,342,354.42 is: 45,532,677.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,282,980.65 : 106,969,450.42 = 30,342,354.42 : x
  2. Step 2: Convert to fraction form
    71,282,980.65/106,969,450.42 = 30,342,354.42/x
  3. Step 3: Cross multiply
    71,282,980.65x = 106,969,450.42 × 30,342,354.42
  4. Step 4: Simplify right side
    71,282,980.65x = 3,245,704,976,678,880
  5. Step 5: Solve for x
    x = 3,245,704,976,678,880/71,282,980.65
  6. Step 6: Final answer
    x = 45,532,677.61

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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.