Home / 77,641,721.64-116,458,383.42-23,789,189.16

Finding the Fourth Proportional to 77,641,721.64, 116,458,383.42 and 23,789,189.16

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Solution

The fourth proportional to 77,641,721.64, 116,458,383.42 and 23,789,189.16 is: 35,682,497.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,641,721.64 : 116,458,383.42 = 23,789,189.16 : x
  2. Step 2: Convert to fraction form
    77,641,721.64/116,458,383.42 = 23,789,189.16/x
  3. Step 3: Cross multiply
    77,641,721.64x = 116,458,383.42 × 23,789,189.16
  4. Step 4: Simplify right side
    77,641,721.64x = 2,770,450,512,446,188
  5. Step 5: Solve for x
    x = 2,770,450,512,446,188/77,641,721.64
  6. Step 6: Final answer
    x = 35,682,497.17

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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.