Home / 123,008,580.28-169,755,383.75-68,007,979.72

Finding the Fourth Proportional to 123,008,580.28, 169,755,383.75 and 68,007,979.72

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Solution

The fourth proportional to 123,008,580.28, 169,755,383.75 and 68,007,979.72 is: 93,852,970.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,008,580.28 : 169,755,383.75 = 68,007,979.72 : x
  2. Step 2: Convert to fraction form
    123,008,580.28/169,755,383.75 = 68,007,979.72/x
  3. Step 3: Cross multiply
    123,008,580.28x = 169,755,383.75 × 68,007,979.72
  4. Step 4: Simplify right side
    123,008,580.28x = 11,544,720,695,302,972
  5. Step 5: Solve for x
    x = 11,544,720,695,302,972/123,008,580.28
  6. Step 6: Final answer
    x = 93,852,970.82

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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.