Home / 139,527,464.22-209,436,638.04-61,858,912.55

Finding the Fourth Proportional to 139,527,464.22, 209,436,638.04 and 61,858,912.55

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Solution

The fourth proportional to 139,527,464.22, 209,436,638.04 and 61,858,912.55 is: 92,852,849.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,527,464.22 : 209,436,638.04 = 61,858,912.55 : x
  2. Step 2: Convert to fraction form
    139,527,464.22/209,436,638.04 = 61,858,912.55/x
  3. Step 3: Cross multiply
    139,527,464.22x = 209,436,638.04 × 61,858,912.55
  4. Step 4: Simplify right side
    139,527,464.22x = 12,955,522,676,235,180
  5. Step 5: Solve for x
    x = 12,955,522,676,235,180/139,527,464.22
  6. Step 6: Final answer
    x = 92,852,849.79

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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.