Home / 142,351,559.64-196,459,947.82-82,002,635.64

Finding the Fourth Proportional to 142,351,559.64, 196,459,947.82 and 82,002,635.64

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Solution

The fourth proportional to 142,351,559.64, 196,459,947.82 and 82,002,635.64 is: 113,172,160.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,351,559.64 : 196,459,947.82 = 82,002,635.64 : x
  2. Step 2: Convert to fraction form
    142,351,559.64/196,459,947.82 = 82,002,635.64/x
  3. Step 3: Cross multiply
    142,351,559.64x = 196,459,947.82 × 82,002,635.64
  4. Step 4: Simplify right side
    142,351,559.64x = 16,110,233,518,936,872
  5. Step 5: Solve for x
    x = 16,110,233,518,936,872/142,351,559.64
  6. Step 6: Final answer
    x = 113,172,160.25

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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.