Home / 108,866,406.20-163,313,606.10-54,306,879.80

Finding the Fourth Proportional to 108,866,406.20, 163,313,606.10 and 54,306,879.80

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Solution

The fourth proportional to 108,866,406.20, 163,313,606.10 and 54,306,879.80 is: 81,467,301.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,866,406.20 : 163,313,606.10 = 54,306,879.80 : x
  2. Step 2: Convert to fraction form
    108,866,406.20/163,313,606.10 = 54,306,879.80/x
  3. Step 3: Cross multiply
    108,866,406.20x = 163,313,606.10 × 54,306,879.80
  4. Step 4: Simplify right side
    108,866,406.20x = 8,869,052,376,177,246
  5. Step 5: Solve for x
    x = 8,869,052,376,177,246/108,866,406.20
  6. Step 6: Final answer
    x = 81,467,301.86

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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.