Home / 123,205,990,555.21-170,025,265,264.11-68,274,081,156.31

Finding the Fourth Proportional to 123,205,990,555.21, 170,025,265,264.11 and 68,274,081,156.31

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Solution

The fourth proportional to 123,205,990,555.21, 170,025,265,264.11 and 68,274,081,156.31 is: 94,218,785,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,205,990,555.21 : 170,025,265,264.11 = 68,274,081,156.31 : x
  2. Step 2: Convert to fraction form
    123,205,990,555.21/170,025,265,264.11 = 68,274,081,156.31/x
  3. Step 3: Cross multiply
    123,205,990,555.21x = 170,025,265,264.11 × 68,274,081,156.31
  4. Step 4: Simplify right side
    123,205,990,555.21x = 11,608,318,759,264,980,041,728
  5. Step 5: Solve for x
    x = 11,608,318,759,264,980,041,728/123,205,990,555.21
  6. Step 6: Final answer
    x = 94,218,785,198.30

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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.