Home / 128,610,591.64-192,916,037.96-35,238,353.76

Finding the Fourth Proportional to 128,610,591.64, 192,916,037.96 and 35,238,353.76

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Solution

The fourth proportional to 128,610,591.64, 192,916,037.96 and 35,238,353.76 is: 52,857,571.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,610,591.64 : 192,916,037.96 = 35,238,353.76 : x
  2. Step 2: Convert to fraction form
    128,610,591.64/192,916,037.96 = 35,238,353.76/x
  3. Step 3: Cross multiply
    128,610,591.64x = 192,916,037.96 × 35,238,353.76
  4. Step 4: Simplify right side
    128,610,591.64x = 6,798,043,591,700,164
  5. Step 5: Solve for x
    x = 6,798,043,591,700,164/128,610,591.64
  6. Step 6: Final answer
    x = 52,857,571.88

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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.