Home / 168,935,853.78-233,131,478.16-91,673,517.78

Finding the Fourth Proportional to 168,935,853.78, 233,131,478.16 and 91,673,517.78

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Solution

The fourth proportional to 168,935,853.78, 233,131,478.16 and 91,673,517.78 is: 126,509,454.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,935,853.78 : 233,131,478.16 = 91,673,517.78 : x
  2. Step 2: Convert to fraction form
    168,935,853.78/233,131,478.16 = 91,673,517.78/x
  3. Step 3: Cross multiply
    168,935,853.78x = 233,131,478.16 × 91,673,517.78
  4. Step 4: Simplify right side
    168,935,853.78x = 21,371,982,708,178,440
  5. Step 5: Solve for x
    x = 21,371,982,708,178,440/168,935,853.78
  6. Step 6: Final answer
    x = 126,509,454.51

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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.