Home / 189,978,753.79-262,171,184.93-103,058,625.79

Finding the Fourth Proportional to 189,978,753.79, 262,171,184.93 and 103,058,625.79

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Solution

The fourth proportional to 189,978,753.79, 262,171,184.93 and 103,058,625.79 is: 142,221,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,978,753.79 : 262,171,184.93 = 103,058,625.79 : x
  2. Step 2: Convert to fraction form
    189,978,753.79/262,171,184.93 = 103,058,625.79/x
  3. Step 3: Cross multiply
    189,978,753.79x = 262,171,184.93 × 103,058,625.79
  4. Step 4: Simplify right side
    189,978,753.79x = 27,019,002,040,106,468
  5. Step 5: Solve for x
    x = 27,019,002,040,106,468/189,978,753.79
  6. Step 6: Final answer
    x = 142,221,177.37

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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.