Home / 255,073,989,122.85-352,002,091,527.54-137,751,621,790.61

Finding the Fourth Proportional to 255,073,989,122.85, 352,002,091,527.54 and 137,751,621,790.61

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Solution

The fourth proportional to 255,073,989,122.85, 352,002,091,527.54 and 137,751,621,790.61 is: 190,097,230,800.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,073,989,122.85 : 352,002,091,527.54 = 137,751,621,790.61 : x
  2. Step 2: Convert to fraction form
    255,073,989,122.85/352,002,091,527.54 = 137,751,621,790.61/x
  3. Step 3: Cross multiply
    255,073,989,122.85x = 352,002,091,527.54 × 137,751,621,790.61
  4. Step 4: Simplify right side
    255,073,989,122.85x = 48,488,858,981,605,364,989,952
  5. Step 5: Solve for x
    x = 48,488,858,981,605,364,989,952/255,073,989,122.85
  6. Step 6: Final answer
    x = 190,097,230,800.95

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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.