Home / 142,351,553.64-196,459,939.53-82,002,629.64

Finding the Fourth Proportional to 142,351,553.64, 196,459,939.53 and 82,002,629.64

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Solution

The fourth proportional to 142,351,553.64, 196,459,939.53 and 82,002,629.64 is: 113,172,151.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,351,553.64 : 196,459,939.53 = 82,002,629.64 : x
  2. Step 2: Convert to fraction form
    142,351,553.64/196,459,939.53 = 82,002,629.64/x
  3. Step 3: Cross multiply
    142,351,553.64x = 196,459,939.53 × 82,002,629.64
  4. Step 4: Simplify right side
    142,351,553.64x = 16,110,231,660,375,386
  5. Step 5: Solve for x
    x = 16,110,231,660,375,386/142,351,553.64
  6. Step 6: Final answer
    x = 113,172,151.96

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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.