Home / 213,608,214.92-294,785,132.91-120,802,601

Finding the Fourth Proportional to 213,608,214.92, 294,785,132.91 and 120,802,601

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Solution

The fourth proportional to 213,608,214.92, 294,785,132.91 and 120,802,601 is: 166,710,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,608,214.92 : 294,785,132.91 = 120,802,601 : x
  2. Step 2: Convert to fraction form
    213,608,214.92/294,785,132.91 = 120,802,601/x
  3. Step 3: Cross multiply
    213,608,214.92x = 294,785,132.91 × 120,802,601
  4. Step 4: Simplify right side
    213,608,214.92x = 35,610,810,791,658,704
  5. Step 5: Solve for x
    x = 35,610,810,791,658,704/213,608,214.92
  6. Step 6: Final answer
    x = 166,710,867.39

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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.