Home / 108,889,470.30-163,334,205.45-54,469,911.90

Finding the Fourth Proportional to 108,889,470.30, 163,334,205.45 and 54,469,911.90

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Solution

The fourth proportional to 108,889,470.30, 163,334,205.45 and 54,469,911.90 is: 81,704,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889,470.30 : 163,334,205.45 = 54,469,911.90 : x
  2. Step 2: Convert to fraction form
    108,889,470.30/163,334,205.45 = 54,469,911.90/x
  3. Step 3: Cross multiply
    108,889,470.30x = 163,334,205.45 × 54,469,911.90
  4. Step 4: Simplify right side
    108,889,470.30x = 8,896,799,781,117,999
  5. Step 5: Solve for x
    x = 8,896,799,781,117,999/108,889,470.30
  6. Step 6: Final answer
    x = 81,704,867.85

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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.