Home / 132,713,529.20-199,040,418.60-47,612,985.20

Finding the Fourth Proportional to 132,713,529.20, 199,040,418.60 and 47,612,985.20

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Solution

The fourth proportional to 132,713,529.20, 199,040,418.60 and 47,612,985.20 is: 71,408,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,713,529.20 : 199,040,418.60 = 47,612,985.20 : x
  2. Step 2: Convert to fraction form
    132,713,529.20/199,040,418.60 = 47,612,985.20/x
  3. Step 3: Cross multiply
    132,713,529.20x = 199,040,418.60 × 47,612,985.20
  4. Step 4: Simplify right side
    132,713,529.20x = 9,476,908,505,003,606
  5. Step 5: Solve for x
    x = 9,476,908,505,003,606/132,713,529.20
  6. Step 6: Final answer
    x = 71,408,759.62

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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.