Home / 234,121,857.79-323,108,004.22-129,732,673.63

Finding the Fourth Proportional to 234,121,857.79, 323,108,004.22 and 129,732,673.63

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Solution

The fourth proportional to 234,121,857.79, 323,108,004.22 and 129,732,673.63 is: 179,042,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,121,857.79 : 323,108,004.22 = 129,732,673.63 : x
  2. Step 2: Convert to fraction form
    234,121,857.79/323,108,004.22 = 129,732,673.63/x
  3. Step 3: Cross multiply
    234,121,857.79x = 323,108,004.22 × 129,732,673.63
  4. Step 4: Simplify right side
    234,121,857.79x = 41,917,665,258,713,928
  5. Step 5: Solve for x
    x = 41,917,665,258,713,928/234,121,857.79
  6. Step 6: Final answer
    x = 179,042,083.70

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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.