Home / 82,044,544.72-113,196,891.51-47,236,340.20

Finding the Fourth Proportional to 82,044,544.72, 113,196,891.51 and 47,236,340.20

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Solution

The fourth proportional to 82,044,544.72, 113,196,891.51 and 47,236,340.20 is: 65,171,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,044,544.72 : 113,196,891.51 = 47,236,340.20 : x
  2. Step 2: Convert to fraction form
    82,044,544.72/113,196,891.51 = 47,236,340.20/x
  3. Step 3: Cross multiply
    82,044,544.72x = 113,196,891.51 × 47,236,340.20
  4. Step 4: Simplify right side
    82,044,544.72x = 5,347,006,876,948,852
  5. Step 5: Solve for x
    x = 5,347,006,876,948,852/82,044,544.72
  6. Step 6: Final answer
    x = 65,171,997.67

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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.