Home / 220,948,950.42-331,518,997.53-118,593,413.82

Finding the Fourth Proportional to 220,948,950.42, 331,518,997.53 and 118,593,413.82

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Solution

The fourth proportional to 220,948,950.42, 331,518,997.53 and 118,593,413.82 is: 177,941,418.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,948,950.42 : 331,518,997.53 = 118,593,413.82 : x
  2. Step 2: Convert to fraction form
    220,948,950.42/331,518,997.53 = 118,593,413.82/x
  3. Step 3: Cross multiply
    220,948,950.42x = 331,518,997.53 × 118,593,413.82
  4. Step 4: Simplify right side
    220,948,950.42x = 39,315,969,663,266,840
  5. Step 5: Solve for x
    x = 39,315,969,663,266,840/220,948,950.42
  6. Step 6: Final answer
    x = 177,941,418.54

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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.