Home / 203,005,439.45-280,140,004.91-110,183,954.39

Finding the Fourth Proportional to 203,005,439.45, 280,140,004.91 and 110,183,954.39

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Solution

The fourth proportional to 203,005,439.45, 280,140,004.91 and 110,183,954.39 is: 152,049,785.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,005,439.45 : 280,140,004.91 = 110,183,954.39 : x
  2. Step 2: Convert to fraction form
    203,005,439.45/280,140,004.91 = 110,183,954.39/x
  3. Step 3: Cross multiply
    203,005,439.45x = 280,140,004.91 × 110,183,954.39
  4. Step 4: Simplify right side
    203,005,439.45x = 30,866,933,523,817,820
  5. Step 5: Solve for x
    x = 30,866,933,523,817,820/203,005,439.45
  6. Step 6: Final answer
    x = 152,049,785.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.