Home / 178,653,372.90-246,543,388.41-103,294,042.65

Finding the Fourth Proportional to 178,653,372.90, 246,543,388.41 and 103,294,042.65

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Solution

The fourth proportional to 178,653,372.90, 246,543,388.41 and 103,294,042.65 is: 142,546,781.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,653,372.90 : 246,543,388.41 = 103,294,042.65 : x
  2. Step 2: Convert to fraction form
    178,653,372.90/246,543,388.41 = 103,294,042.65/x
  3. Step 3: Cross multiply
    178,653,372.90x = 246,543,388.41 × 103,294,042.65
  4. Step 4: Simplify right side
    178,653,372.90x = 25,466,463,277,498,056
  5. Step 5: Solve for x
    x = 25,466,463,277,498,056/178,653,372.90
  6. Step 6: Final answer
    x = 142,546,781.31

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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.