Home / 277,400,919.53-416,049,357.74-139,189,416.78

Finding the Fourth Proportional to 277,400,919.53, 416,049,357.74 and 139,189,416.78

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Solution

The fourth proportional to 277,400,919.53, 416,049,357.74 and 139,189,416.78 is: 208,758,022.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,400,919.53 : 416,049,357.74 = 139,189,416.78 : x
  2. Step 2: Convert to fraction form
    277,400,919.53/416,049,357.74 = 139,189,416.78/x
  3. Step 3: Cross multiply
    277,400,919.53x = 416,049,357.74 × 139,189,416.78
  4. Step 4: Simplify right side
    277,400,919.53x = 57,909,667,454,828,232
  5. Step 5: Solve for x
    x = 57,909,667,454,828,232/277,400,919.53
  6. Step 6: Final answer
    x = 208,758,022.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.