Home / 123,139,400.72-169,932,388.62-67,384,833.27

Finding the Fourth Proportional to 123,139,400.72, 169,932,388.62 and 67,384,833.27

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Solution

The fourth proportional to 123,139,400.72, 169,932,388.62 and 67,384,833.27 is: 92,991,078.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,139,400.72 : 169,932,388.62 = 67,384,833.27 : x
  2. Step 2: Convert to fraction form
    123,139,400.72/169,932,388.62 = 67,384,833.27/x
  3. Step 3: Cross multiply
    123,139,400.72x = 169,932,388.62 × 67,384,833.27
  4. Step 4: Simplify right side
    123,139,400.72x = 11,450,865,674,902,692
  5. Step 5: Solve for x
    x = 11,450,865,674,902,692/123,139,400.72
  6. Step 6: Final answer
    x = 92,991,078.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.