Home / 203,005,436.42-280,140,000.74-110,183,951.36

Finding the Fourth Proportional to 203,005,436.42, 280,140,000.74 and 110,183,951.36

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Solution

The fourth proportional to 203,005,436.42, 280,140,000.74 and 110,183,951.36 is: 152,049,781.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,005,436.42 : 280,140,000.74 = 110,183,951.36 : x
  2. Step 2: Convert to fraction form
    203,005,436.42/280,140,000.74 = 110,183,951.36/x
  3. Step 3: Cross multiply
    203,005,436.42x = 280,140,000.74 × 110,183,951.36
  4. Step 4: Simplify right side
    203,005,436.42x = 30,866,932,216,089,140
  5. Step 5: Solve for x
    x = 30,866,932,216,089,140/203,005,436.42
  6. Step 6: Final answer
    x = 152,049,781.33

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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.