Home / 123,205,990,554.68-170,025,265,263.38-68,274,081,155.78

Finding the Fourth Proportional to 123,205,990,554.68, 170,025,265,263.38 and 68,274,081,155.78

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Solution

The fourth proportional to 123,205,990,554.68, 170,025,265,263.38 and 68,274,081,155.78 is: 94,218,785,197.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,205,990,554.68 : 170,025,265,263.38 = 68,274,081,155.78 : x
  2. Step 2: Convert to fraction form
    123,205,990,554.68/170,025,265,263.38 = 68,274,081,155.78/x
  3. Step 3: Cross multiply
    123,205,990,554.68x = 170,025,265,263.38 × 68,274,081,155.78
  4. Step 4: Simplify right side
    123,205,990,554.68x = 11,608,318,759,125,028,700,160
  5. Step 5: Solve for x
    x = 11,608,318,759,125,028,700,160/123,205,990,554.68
  6. Step 6: Final answer
    x = 94,218,785,197.57

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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.