Home / 57,109,760,091.64-78,812,183,083.56-31,391,847,879.48

Finding the Fourth Proportional to 57,109,760,091.64, 78,812,183,083.56 and 31,391,847,879.48

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Solution

The fourth proportional to 57,109,760,091.64, 78,812,183,083.56 and 31,391,847,879.48 is: 43,321,142,628.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,109,760,091.64 : 78,812,183,083.56 = 31,391,847,879.48 : x
  2. Step 2: Convert to fraction form
    57,109,760,091.64/78,812,183,083.56 = 31,391,847,879.48/x
  3. Step 3: Cross multiply
    57,109,760,091.64x = 78,812,183,083.56 × 31,391,847,879.48
  4. Step 4: Simplify right side
    57,109,760,091.64x = 2,474,060,062,408,842,412,032
  5. Step 5: Solve for x
    x = 2,474,060,062,408,842,412,032/57,109,760,091.64
  6. Step 6: Final answer
    x = 43,321,142,628.49

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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.