Home / 57,192,107.36-78,925,636.52-31,086,686.61

Finding the Fourth Proportional to 57,192,107.36, 78,925,636.52 and 31,086,686.61

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Solution

The fourth proportional to 57,192,107.36, 78,925,636.52 and 31,086,686.61 is: 42,899,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,192,107.36 : 78,925,636.52 = 31,086,686.61 : x
  2. Step 2: Convert to fraction form
    57,192,107.36/78,925,636.52 = 31,086,686.61/x
  3. Step 3: Cross multiply
    57,192,107.36x = 78,925,636.52 × 31,086,686.61
  4. Step 4: Simplify right side
    57,192,107.36x = 2,453,536,527,836,577.50
  5. Step 5: Solve for x
    x = 2,453,536,527,836,577.50/57,192,107.36
  6. Step 6: Final answer
    x = 42,899,914.71

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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.