Home / 217,859,839.31-300,652,879.17-118,747,006.22

Finding the Fourth Proportional to 217,859,839.31, 300,652,879.17 and 118,747,006.22

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Solution

The fourth proportional to 217,859,839.31, 300,652,879.17 and 118,747,006.22 is: 163,874,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,859,839.31 : 300,652,879.17 = 118,747,006.22 : x
  2. Step 2: Convert to fraction form
    217,859,839.31/300,652,879.17 = 118,747,006.22/x
  3. Step 3: Cross multiply
    217,859,839.31x = 300,652,879.17 × 118,747,006.22
  4. Step 4: Simplify right side
    217,859,839.31x = 35,701,629,314,057,828
  5. Step 5: Solve for x
    x = 35,701,629,314,057,828/217,859,839.31
  6. Step 6: Final answer
    x = 163,874,302.98

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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.