Home / 108,866,405.70-163,313,605.35-54,306,879.30

Finding the Fourth Proportional to 108,866,405.70, 163,313,605.35 and 54,306,879.30

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Solution

The fourth proportional to 108,866,405.70, 163,313,605.35 and 54,306,879.30 is: 81,467,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,866,405.70 : 163,313,605.35 = 54,306,879.30 : x
  2. Step 2: Convert to fraction form
    108,866,405.70/163,313,605.35 = 54,306,879.30/x
  3. Step 3: Cross multiply
    108,866,405.70x = 163,313,605.35 × 54,306,879.30
  4. Step 4: Simplify right side
    108,866,405.70x = 8,869,052,253,790,283
  5. Step 5: Solve for x
    x = 8,869,052,253,790,283/108,866,405.70
  6. Step 6: Final answer
    x = 81,467,301.11

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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.