Home / 123,205,990,554.18-170,025,265,262.68-68,274,081,155.28

Finding the Fourth Proportional to 123,205,990,554.18, 170,025,265,262.68 and 68,274,081,155.28

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Solution

The fourth proportional to 123,205,990,554.18, 170,025,265,262.68 and 68,274,081,155.28 is: 94,218,785,196.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,205,990,554.18 : 170,025,265,262.68 = 68,274,081,155.28 : x
  2. Step 2: Convert to fraction form
    123,205,990,554.18/170,025,265,262.68 = 68,274,081,155.28/x
  3. Step 3: Cross multiply
    123,205,990,554.18x = 170,025,265,262.68 × 68,274,081,155.28
  4. Step 4: Simplify right side
    123,205,990,554.18x = 11,608,318,758,992,222,355,456
  5. Step 5: Solve for x
    x = 11,608,318,758,992,222,355,456/123,205,990,554.18
  6. Step 6: Final answer
    x = 94,218,785,196.87

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1.5x scale

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.