Home / 186,862,993.20-280,229,580.26-103,991,211.54

Finding the Fourth Proportional to 186,862,993.20, 280,229,580.26 and 103,991,211.54

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Solution

The fourth proportional to 186,862,993.20, 280,229,580.26 and 103,991,211.54 is: 155,950,694.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,862,993.20 : 280,229,580.26 = 103,991,211.54 : x
  2. Step 2: Convert to fraction form
    186,862,993.20/280,229,580.26 = 103,991,211.54/x
  3. Step 3: Cross multiply
    186,862,993.20x = 280,229,580.26 × 103,991,211.54
  4. Step 4: Simplify right side
    186,862,993.20x = 29,141,413,560,583,068
  5. Step 5: Solve for x
    x = 29,141,413,560,583,068/186,862,993.20
  6. Step 6: Final answer
    x = 155,950,694.47

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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.