Home / 144,279,126.42-199,123,633.77-80,702,998.82

Finding the Fourth Proportional to 144,279,126.42, 199,123,633.77 and 80,702,998.82

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Solution

The fourth proportional to 144,279,126.42, 199,123,633.77 and 80,702,998.82 is: 111,380,452.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,279,126.42 : 199,123,633.77 = 80,702,998.82 : x
  2. Step 2: Convert to fraction form
    144,279,126.42/199,123,633.77 = 80,702,998.82/x
  3. Step 3: Cross multiply
    144,279,126.42x = 199,123,633.77 × 80,702,998.82
  4. Step 4: Simplify right side
    144,279,126.42x = 16,069,874,380,622,484
  5. Step 5: Solve for x
    x = 16,069,874,380,622,484/144,279,126.42
  6. Step 6: Final answer
    x = 111,380,452.46

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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.