Home / 171,921,403.70-257,882,105.55-161,835,413.30

Finding the Fourth Proportional to 171,921,403.70, 257,882,105.55 and 161,835,413.30

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Solution

The fourth proportional to 171,921,403.70, 257,882,105.55 and 161,835,413.30 is: 242,753,119.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,921,403.70 : 257,882,105.55 = 161,835,413.30 : x
  2. Step 2: Convert to fraction form
    171,921,403.70/257,882,105.55 = 161,835,413.30/x
  3. Step 3: Cross multiply
    171,921,403.70x = 257,882,105.55 × 161,835,413.30
  4. Step 4: Simplify right side
    171,921,403.70x = 41,734,457,134,358,480
  5. Step 5: Solve for x
    x = 41,734,457,134,358,480/171,921,403.70
  6. Step 6: Final answer
    x = 242,753,119.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.