Home / 242,150,738.78-334,178,600.91-136,310,977.64

Finding the Fourth Proportional to 242,150,738.78, 334,178,600.91 and 136,310,977.64

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Solution

The fourth proportional to 242,150,738.78, 334,178,600.91 and 136,310,977.64 is: 188,115,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,150,738.78 : 334,178,600.91 = 136,310,977.64 : x
  2. Step 2: Convert to fraction form
    242,150,738.78/334,178,600.91 = 136,310,977.64/x
  3. Step 3: Cross multiply
    242,150,738.78x = 334,178,600.91 × 136,310,977.64
  4. Step 4: Simplify right side
    242,150,738.78x = 45,552,211,796,409,496
  5. Step 5: Solve for x
    x = 45,552,211,796,409,496/242,150,738.78
  6. Step 6: Final answer
    x = 188,115,105.60

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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.