Home / 108,109,984.24-162,192,618.68-31,433,012.44

Finding the Fourth Proportional to 108,109,984.24, 162,192,618.68 and 31,433,012.44

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Solution

The fourth proportional to 108,109,984.24, 162,192,618.68 and 31,433,012.44 is: 47,157,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,109,984.24 : 162,192,618.68 = 31,433,012.44 : x
  2. Step 2: Convert to fraction form
    108,109,984.24/162,192,618.68 = 31,433,012.44/x
  3. Step 3: Cross multiply
    108,109,984.24x = 162,192,618.68 × 31,433,012.44
  4. Step 4: Simplify right side
    108,109,984.24x = 5,098,202,600,644,617
  5. Step 5: Solve for x
    x = 5,098,202,600,644,617/108,109,984.24
  6. Step 6: Final answer
    x = 47,157,555.67

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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.