Home / 189,377,879.46-261,521,967.09-179,060,690.55

Finding the Fourth Proportional to 189,377,879.46, 261,521,967.09 and 179,060,690.55

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Solution

The fourth proportional to 189,377,879.46, 261,521,967.09 and 179,060,690.55 is: 247,274,413.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,377,879.46 : 261,521,967.09 = 179,060,690.55 : x
  2. Step 2: Convert to fraction form
    189,377,879.46/261,521,967.09 = 179,060,690.55/x
  3. Step 3: Cross multiply
    189,377,879.46x = 261,521,967.09 × 179,060,690.55
  4. Step 4: Simplify right side
    189,377,879.46x = 46,828,304,021,129,776
  5. Step 5: Solve for x
    x = 46,828,304,021,129,776/189,377,879.46
  6. Step 6: Final answer
    x = 247,274,413.22

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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.