Home / 203,005,438.70-280,140,003.88-110,183,953.64

Finding the Fourth Proportional to 203,005,438.70, 280,140,003.88 and 110,183,953.64

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Solution

The fourth proportional to 203,005,438.70, 280,140,003.88 and 110,183,953.64 is: 152,049,784.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,005,438.70 : 280,140,003.88 = 110,183,953.64 : x
  2. Step 2: Convert to fraction form
    203,005,438.70/280,140,003.88 = 110,183,953.64/x
  3. Step 3: Cross multiply
    203,005,438.70x = 280,140,003.88 × 110,183,953.64
  4. Step 4: Simplify right side
    203,005,438.70x = 30,866,933,199,672,420
  5. Step 5: Solve for x
    x = 30,866,933,199,672,420/203,005,438.70
  6. Step 6: Final answer
    x = 152,049,784.47

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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.