Home / 203,005,434.31-280,139,997.83-110,183,949.25

Finding the Fourth Proportional to 203,005,434.31, 280,139,997.83 and 110,183,949.25

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Solution

The fourth proportional to 203,005,434.31, 280,139,997.83 and 110,183,949.25 is: 152,049,778.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,005,434.31 : 280,139,997.83 = 110,183,949.25 : x
  2. Step 2: Convert to fraction form
    203,005,434.31/280,139,997.83 = 110,183,949.25/x
  3. Step 3: Cross multiply
    203,005,434.31x = 280,139,997.83 × 110,183,949.25
  4. Step 4: Simplify right side
    203,005,434.31x = 30,866,931,302,544,560
  5. Step 5: Solve for x
    x = 30,866,931,302,544,560/203,005,434.31
  6. Step 6: Final answer
    x = 152,049,778.41

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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.