Home / 147,190,901,088.42-203,123,042,012.52-82,085,399,091.54

Finding the Fourth Proportional to 147,190,901,088.42, 203,123,042,012.52 and 82,085,399,091.54

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Solution

The fourth proportional to 147,190,901,088.42, 203,123,042,012.52 and 82,085,399,091.54 is: 113,277,626,843.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,190,901,088.42 : 203,123,042,012.52 = 82,085,399,091.54 : x
  2. Step 2: Convert to fraction form
    147,190,901,088.42/203,123,042,012.52 = 82,085,399,091.54/x
  3. Step 3: Cross multiply
    147,190,901,088.42x = 203,123,042,012.52 × 82,085,399,091.54
  4. Step 4: Simplify right side
    147,190,901,088.42x = 16,673,435,968,285,347,676,160
  5. Step 5: Solve for x
    x = 16,673,435,968,285,347,676,160/147,190,901,088.42
  6. Step 6: Final answer
    x = 113,277,626,843.72

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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.