Home / 132,869,759.85-199,304,639.78-61,206,143.85

Finding the Fourth Proportional to 132,869,759.85, 199,304,639.78 and 61,206,143.85

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Solution

The fourth proportional to 132,869,759.85, 199,304,639.78 and 61,206,143.85 is: 91,809,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,869,759.85 : 199,304,639.78 = 61,206,143.85 : x
  2. Step 2: Convert to fraction form
    132,869,759.85/199,304,639.78 = 61,206,143.85/x
  3. Step 3: Cross multiply
    132,869,759.85x = 199,304,639.78 × 61,206,143.85
  4. Step 4: Simplify right side
    132,869,759.85x = 12,198,668,452,041,082
  5. Step 5: Solve for x
    x = 12,198,668,452,041,082/132,869,759.85
  6. Step 6: Final answer
    x = 91,809,215.78

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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.