Home / 101,910,690.64-140,640,734.46-57,861,787.83

Finding the Fourth Proportional to 101,910,690.64, 140,640,734.46 and 57,861,787.83

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Solution

The fourth proportional to 101,910,690.64, 140,640,734.46 and 57,861,787.83 is: 79,851,527.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,910,690.64 : 140,640,734.46 = 57,861,787.83 : x
  2. Step 2: Convert to fraction form
    101,910,690.64/140,640,734.46 = 57,861,787.83/x
  3. Step 3: Cross multiply
    101,910,690.64x = 140,640,734.46 × 57,861,787.83
  4. Step 4: Simplify right side
    101,910,690.64x = 8,137,724,337,269,469
  5. Step 5: Solve for x
    x = 8,137,724,337,269,469/101,910,690.64
  6. Step 6: Final answer
    x = 79,851,527.71

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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.