Home / 123,781,715.26-170,822,862.50-68,029,111.87

Finding the Fourth Proportional to 123,781,715.26, 170,822,862.50 and 68,029,111.87

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Solution

The fourth proportional to 123,781,715.26, 170,822,862.50 and 68,029,111.87 is: 93,882,425.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,781,715.26 : 170,822,862.50 = 68,029,111.87 : x
  2. Step 2: Convert to fraction form
    123,781,715.26/170,822,862.50 = 68,029,111.87/x
  3. Step 3: Cross multiply
    123,781,715.26x = 170,822,862.50 × 68,029,111.87
  4. Step 4: Simplify right side
    123,781,715.26x = 11,620,927,622,198,926
  5. Step 5: Solve for x
    x = 11,620,927,622,198,926/123,781,715.26
  6. Step 6: Final answer
    x = 93,882,425.19

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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.