Home / 123,902,013.75-170,984,920.94-68,896,689.27

Finding the Fourth Proportional to 123,902,013.75, 170,984,920.94 and 68,896,689.27

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Solution

The fourth proportional to 123,902,013.75, 170,984,920.94 and 68,896,689.27 is: 95,077,510.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,902,013.75 : 170,984,920.94 = 68,896,689.27 : x
  2. Step 2: Convert to fraction form
    123,902,013.75/170,984,920.94 = 68,896,689.27/x
  3. Step 3: Cross multiply
    123,902,013.75x = 170,984,920.94 × 68,896,689.27
  4. Step 4: Simplify right side
    123,902,013.75x = 11,780,294,967,858,696
  5. Step 5: Solve for x
    x = 11,780,294,967,858,696/123,902,013.75
  6. Step 6: Final answer
    x = 95,077,510.13

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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.