Home / 82,446,392.20-123,669,588.30-80,556,824.20

Finding the Fourth Proportional to 82,446,392.20, 123,669,588.30 and 80,556,824.20

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Solution

The fourth proportional to 82,446,392.20, 123,669,588.30 and 80,556,824.20 is: 120,835,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,446,392.20 : 123,669,588.30 = 80,556,824.20 : x
  2. Step 2: Convert to fraction form
    82,446,392.20/123,669,588.30 = 80,556,824.20/x
  3. Step 3: Cross multiply
    82,446,392.20x = 123,669,588.30 × 80,556,824.20
  4. Step 4: Simplify right side
    82,446,392.20x = 9,962,429,283,569,476
  5. Step 5: Solve for x
    x = 9,962,429,283,569,476/82,446,392.20
  6. Step 6: Final answer
    x = 120,835,236.30

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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.