Home / 165,464,838.27-247,874,369.22-128,902,029.57

Finding the Fourth Proportional to 165,464,838.27, 247,874,369.22 and 128,902,029.57

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Solution

The fourth proportional to 165,464,838.27, 247,874,369.22 and 128,902,029.57 is: 193,101,504.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,464,838.27 : 247,874,369.22 = 128,902,029.57 : x
  2. Step 2: Convert to fraction form
    165,464,838.27/247,874,369.22 = 128,902,029.57/x
  3. Step 3: Cross multiply
    165,464,838.27x = 247,874,369.22 × 128,902,029.57
  4. Step 4: Simplify right side
    165,464,838.27x = 31,951,509,270,841,536
  5. Step 5: Solve for x
    x = 31,951,509,270,841,536/165,464,838.27
  6. Step 6: Final answer
    x = 193,101,504.86

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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.