Home / 137,561,173.79-189,834,413.42-75,680,183.75

Finding the Fourth Proportional to 137,561,173.79, 189,834,413.42 and 75,680,183.75

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Solution

The fourth proportional to 137,561,173.79, 189,834,413.42 and 75,680,183.75 is: 104,438,650.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,561,173.79 : 189,834,413.42 = 75,680,183.75 : x
  2. Step 2: Convert to fraction form
    137,561,173.79/189,834,413.42 = 75,680,183.75/x
  3. Step 3: Cross multiply
    137,561,173.79x = 189,834,413.42 × 75,680,183.75
  4. Step 4: Simplify right side
    137,561,173.79x = 14,366,703,289,320,664
  5. Step 5: Solve for x
    x = 14,366,703,289,320,664/137,561,173.79
  6. Step 6: Final answer
    x = 104,438,650.05

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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.