Home / 51,861,876.87-71,569,366.42-28,656,800.85

Finding the Fourth Proportional to 51,861,876.87, 71,569,366.42 and 28,656,800.85

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Solution

The fourth proportional to 51,861,876.87, 71,569,366.42 and 28,656,800.85 is: 39,546,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,861,876.87 : 71,569,366.42 = 28,656,800.85 : x
  2. Step 2: Convert to fraction form
    51,861,876.87/71,569,366.42 = 28,656,800.85/x
  3. Step 3: Cross multiply
    51,861,876.87x = 71,569,366.42 × 28,656,800.85
  4. Step 4: Simplify right side
    51,861,876.87x = 2,050,949,080,458,617.50
  5. Step 5: Solve for x
    x = 2,050,949,080,458,617.50/51,861,876.87
  6. Step 6: Final answer
    x = 39,546,372.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.