Home / 218,452,792.64-301,463,934.24-120,667,648.64

Finding the Fourth Proportional to 218,452,792.64, 301,463,934.24 and 120,667,648.64

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Solution

The fourth proportional to 218,452,792.64, 301,463,934.24 and 120,667,648.64 is: 166,520,847.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,452,792.64 : 301,463,934.24 = 120,667,648.64 : x
  2. Step 2: Convert to fraction form
    218,452,792.64/301,463,934.24 = 120,667,648.64/x
  3. Step 3: Cross multiply
    218,452,792.64x = 301,463,934.24 × 120,667,648.64
  4. Step 4: Simplify right side
    218,452,792.64x = 36,376,944,094,504,384
  5. Step 5: Solve for x
    x = 36,376,944,094,504,384/218,452,792.64
  6. Step 6: Final answer
    x = 166,520,847.16

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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.