Home / 123,008,569.13-169,755,368.34-68,007,968.57

Finding the Fourth Proportional to 123,008,569.13, 169,755,368.34 and 68,007,968.57

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Solution

The fourth proportional to 123,008,569.13, 169,755,368.34 and 68,007,968.57 is: 93,852,955.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,008,569.13 : 169,755,368.34 = 68,007,968.57 : x
  2. Step 2: Convert to fraction form
    123,008,569.13/169,755,368.34 = 68,007,968.57/x
  3. Step 3: Cross multiply
    123,008,569.13x = 169,755,368.34 × 68,007,968.57
  4. Step 4: Simplify right side
    123,008,569.13x = 11,544,717,753,806,716
  5. Step 5: Solve for x
    x = 11,544,717,753,806,716/123,008,569.13
  6. Step 6: Final answer
    x = 93,852,955.42

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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.