Home / 156,870,003.20-235,305,004.80-80,167,539.20

Finding the Fourth Proportional to 156,870,003.20, 235,305,004.80 and 80,167,539.20

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Solution

The fourth proportional to 156,870,003.20, 235,305,004.80 and 80,167,539.20 is: 120,251,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,870,003.20 : 235,305,004.80 = 80,167,539.20 : x
  2. Step 2: Convert to fraction form
    156,870,003.20/235,305,004.80 = 80,167,539.20/x
  3. Step 3: Cross multiply
    156,870,003.20x = 235,305,004.80 × 80,167,539.20
  4. Step 4: Simplify right side
    156,870,003.20x = 18,863,823,196,260,188
  5. Step 5: Solve for x
    x = 18,863,823,196,260,188/156,870,003.20
  6. Step 6: Final answer
    x = 120,251,308.80

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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.