Home / 258,112,161.11-356,194,833.57-140,637,491.34

Finding the Fourth Proportional to 258,112,161.11, 356,194,833.57 and 140,637,491.34

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Solution

The fourth proportional to 258,112,161.11, 356,194,833.57 and 140,637,491.34 is: 194,079,765.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,112,161.11 : 356,194,833.57 = 140,637,491.34 : x
  2. Step 2: Convert to fraction form
    258,112,161.11/356,194,833.57 = 140,637,491.34/x
  3. Step 3: Cross multiply
    258,112,161.11x = 356,194,833.57 × 140,637,491.34
  4. Step 4: Simplify right side
    258,112,161.11x = 50,094,347,821,553,616
  5. Step 5: Solve for x
    x = 50,094,347,821,553,616/258,112,161.11
  6. Step 6: Final answer
    x = 194,079,765.97

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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.