Home / 123,781,708.36-170,822,853.03-68,029,104.97

Finding the Fourth Proportional to 123,781,708.36, 170,822,853.03 and 68,029,104.97

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Solution

The fourth proportional to 123,781,708.36, 170,822,853.03 and 68,029,104.97 is: 93,882,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,781,708.36 : 170,822,853.03 = 68,029,104.97 : x
  2. Step 2: Convert to fraction form
    123,781,708.36/170,822,853.03 = 68,029,104.97/x
  3. Step 3: Cross multiply
    123,781,708.36x = 170,822,853.03 × 68,029,104.97
  4. Step 4: Simplify right side
    123,781,708.36x = 11,620,925,800,052,752
  5. Step 5: Solve for x
    x = 11,620,925,800,052,752/123,781,708.36
  6. Step 6: Final answer
    x = 93,882,415.70

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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.