Home / 300,127,997.54-450,345,896.52-144,814,261.72

Finding the Fourth Proportional to 300,127,997.54, 450,345,896.52 and 144,814,261.72

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Solution

The fourth proportional to 300,127,997.54, 450,345,896.52 and 144,814,261.72 is: 217,295,650.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,127,997.54 : 450,345,896.52 = 144,814,261.72 : x
  2. Step 2: Convert to fraction form
    300,127,997.54/450,345,896.52 = 144,814,261.72/x
  3. Step 3: Cross multiply
    300,127,997.54x = 450,345,896.52 × 144,814,261.72
  4. Step 4: Simplify right side
    300,127,997.54x = 65,216,508,523,175,312
  5. Step 5: Solve for x
    x = 65,216,508,523,175,312/300,127,997.54
  6. Step 6: Final answer
    x = 217,295,650.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.