Home / 142,620,858.09-213,951,600.18-44,261,062.83

Finding the Fourth Proportional to 142,620,858.09, 213,951,600.18 and 44,261,062.83

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Solution

The fourth proportional to 142,620,858.09, 213,951,600.18 and 44,261,062.83 is: 66,397,898.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,620,858.09 : 213,951,600.18 = 44,261,062.83 : x
  2. Step 2: Convert to fraction form
    142,620,858.09/213,951,600.18 = 44,261,062.83/x
  3. Step 3: Cross multiply
    142,620,858.09x = 213,951,600.18 × 44,261,062.83
  4. Step 4: Simplify right side
    142,620,858.09x = 9,469,725,218,146,020
  5. Step 5: Solve for x
    x = 9,469,725,218,146,020/142,620,858.09
  6. Step 6: Final answer
    x = 66,397,898.21

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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.