Home / 123,781,710.61-170,822,856.14-68,029,107.22

Finding the Fourth Proportional to 123,781,710.61, 170,822,856.14 and 68,029,107.22

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Solution

The fourth proportional to 123,781,710.61, 170,822,856.14 and 68,029,107.22 is: 93,882,418.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,781,710.61 : 170,822,856.14 = 68,029,107.22 : x
  2. Step 2: Convert to fraction form
    123,781,710.61/170,822,856.14 = 68,029,107.22/x
  3. Step 3: Cross multiply
    123,781,710.61x = 170,822,856.14 × 68,029,107.22
  4. Step 4: Simplify right side
    123,781,710.61x = 11,620,926,395,974,694
  5. Step 5: Solve for x
    x = 11,620,926,395,974,694/123,781,710.61
  6. Step 6: Final answer
    x = 93,882,418.81

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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.