Home / 72,414,111.60-108,621,167.40-71,910,226.80

Finding the Fourth Proportional to 72,414,111.60, 108,621,167.40 and 71,910,226.80

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Solution

The fourth proportional to 72,414,111.60, 108,621,167.40 and 71,910,226.80 is: 107,865,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,414,111.60 : 108,621,167.40 = 71,910,226.80 : x
  2. Step 2: Convert to fraction form
    72,414,111.60/108,621,167.40 = 71,910,226.80/x
  3. Step 3: Cross multiply
    72,414,111.60x = 108,621,167.40 × 71,910,226.80
  4. Step 4: Simplify right side
    72,414,111.60x = 7,810,972,783,014,766
  5. Step 5: Solve for x
    x = 7,810,972,783,014,766/72,414,111.60
  6. Step 6: Final answer
    x = 107,865,340.20

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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.