Home / 69,902,657.98-104,858,190.76-21,380,932.16

Finding the Fourth Proportional to 69,902,657.98, 104,858,190.76 and 21,380,932.16

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Solution

The fourth proportional to 69,902,657.98, 104,858,190.76 and 21,380,932.16 is: 32,072,684.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,902,657.98 : 104,858,190.76 = 21,380,932.16 : x
  2. Step 2: Convert to fraction form
    69,902,657.98/104,858,190.76 = 21,380,932.16/x
  3. Step 3: Cross multiply
    69,902,657.98x = 104,858,190.76 × 21,380,932.16
  4. Step 4: Simplify right side
    69,902,657.98x = 2,241,965,863,059,899
  5. Step 5: Solve for x
    x = 2,241,965,863,059,899/69,902,657.98
  6. Step 6: Final answer
    x = 32,072,684.04

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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.