Home / 203,012,889.30-280,150,537.91-114,904,994.76

Finding the Fourth Proportional to 203,012,889.30, 280,150,537.91 and 114,904,994.76

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Solution

The fourth proportional to 203,012,889.30, 280,150,537.91 and 114,904,994.76 is: 158,564,789.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,012,889.30 : 280,150,537.91 = 114,904,994.76 : x
  2. Step 2: Convert to fraction form
    203,012,889.30/280,150,537.91 = 114,904,994.76/x
  3. Step 3: Cross multiply
    203,012,889.30x = 280,150,537.91 × 114,904,994.76
  4. Step 4: Simplify right side
    203,012,889.30x = 32,190,696,089,985,204
  5. Step 5: Solve for x
    x = 32,190,696,089,985,204/203,012,889.30
  6. Step 6: Final answer
    x = 158,564,789.66

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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.