Home / 123,781,733.28-170,822,887.34-68,029,129.94

Finding the Fourth Proportional to 123,781,733.28, 170,822,887.34 and 68,029,129.94

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Solution

The fourth proportional to 123,781,733.28, 170,822,887.34 and 68,029,129.94 is: 93,882,450.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,781,733.28 : 170,822,887.34 = 68,029,129.94 : x
  2. Step 2: Convert to fraction form
    123,781,733.28/170,822,887.34 = 68,029,129.94/x
  3. Step 3: Cross multiply
    123,781,733.28x = 170,822,887.34 × 68,029,129.94
  4. Step 4: Simplify right side
    123,781,733.28x = 11,620,932,398,384,582
  5. Step 5: Solve for x
    x = 11,620,932,398,384,582/123,781,733.28
  6. Step 6: Final answer
    x = 93,882,450.10

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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.