Home / 108,889,402.30-163,334,103.45-54,469,843.90

Finding the Fourth Proportional to 108,889,402.30, 163,334,103.45 and 54,469,843.90

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Solution

The fourth proportional to 108,889,402.30, 163,334,103.45 and 54,469,843.90 is: 81,704,765.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889,402.30 : 163,334,103.45 = 54,469,843.90 : x
  2. Step 2: Convert to fraction form
    108,889,402.30/163,334,103.45 = 54,469,843.90/x
  3. Step 3: Cross multiply
    108,889,402.30x = 163,334,103.45 × 54,469,843.90
  4. Step 4: Simplify right side
    108,889,402.30x = 8,896,783,118,467,951
  5. Step 5: Solve for x
    x = 8,896,783,118,467,951/108,889,402.30
  6. Step 6: Final answer
    x = 81,704,765.85

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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.