Home / 258,114,414.56-356,193,407.32-140,640,710.12

Finding the Fourth Proportional to 258,114,414.56, 356,193,407.32 and 140,640,710.12

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Solution

The fourth proportional to 258,114,414.56, 356,193,407.32 and 140,640,710.12 is: 194,081,736.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,114,414.56 : 356,193,407.32 = 140,640,710.12 : x
  2. Step 2: Convert to fraction form
    258,114,414.56/356,193,407.32 = 140,640,710.12/x
  3. Step 3: Cross multiply
    258,114,414.56x = 356,193,407.32 × 140,640,710.12
  4. Step 4: Simplify right side
    258,114,414.56x = 50,095,293,743,766,240
  5. Step 5: Solve for x
    x = 50,095,293,743,766,240/258,114,414.56
  6. Step 6: Final answer
    x = 194,081,736.31

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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.