Home / 142,351,552.64-196,459,938.16-82,002,628.64

Finding the Fourth Proportional to 142,351,552.64, 196,459,938.16 and 82,002,628.64

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Solution

The fourth proportional to 142,351,552.64, 196,459,938.16 and 82,002,628.64 is: 113,172,150.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,351,552.64 : 196,459,938.16 = 82,002,628.64 : x
  2. Step 2: Convert to fraction form
    142,351,552.64/196,459,938.16 = 82,002,628.64/x
  3. Step 3: Cross multiply
    142,351,552.64x = 196,459,938.16 × 82,002,628.64
  4. Step 4: Simplify right side
    142,351,552.64x = 16,110,231,351,571,844
  5. Step 5: Solve for x
    x = 16,110,231,351,571,844/142,351,552.64
  6. Step 6: Final answer
    x = 113,172,150.59

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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.