Home / 168,036,684,205.04-231,891,322,857.20-90,874,523,957.52

Finding the Fourth Proportional to 168,036,684,205.04, 231,891,322,857.20 and 90,874,523,957.52

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Solution

The fourth proportional to 168,036,684,205.04, 231,891,322,857.20 and 90,874,523,957.52 is: 125,407,220,894.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,036,684,205.04 : 231,891,322,857.20 = 90,874,523,957.52 : x
  2. Step 2: Convert to fraction form
    168,036,684,205.04/231,891,322,857.20 = 90,874,523,957.52/x
  3. Step 3: Cross multiply
    168,036,684,205.04x = 231,891,322,857.20 × 90,874,523,957.52
  4. Step 4: Simplify right side
    168,036,684,205.04x = 21,073,013,574,527,629,656,064
  5. Step 5: Solve for x
    x = 21,073,013,574,527,629,656,064/168,036,684,205.04
  6. Step 6: Final answer
    x = 125,407,220,894.78

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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.