Home / 123,008,569.88-169,755,369.39-68,007,969.32

Finding the Fourth Proportional to 123,008,569.88, 169,755,369.39 and 68,007,969.32

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Solution

The fourth proportional to 123,008,569.88, 169,755,369.39 and 68,007,969.32 is: 93,852,956.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,008,569.88 : 169,755,369.39 = 68,007,969.32 : x
  2. Step 2: Convert to fraction form
    123,008,569.88/169,755,369.39 = 68,007,969.32/x
  3. Step 3: Cross multiply
    123,008,569.88x = 169,755,369.39 × 68,007,969.32
  4. Step 4: Simplify right side
    123,008,569.88x = 11,544,717,952,531,608
  5. Step 5: Solve for x
    x = 11,544,717,952,531,608/123,008,569.88
  6. Step 6: Final answer
    x = 93,852,956.46

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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.