Home / 319,788,168.84-441,310,715.46-187,631,413.86

Finding the Fourth Proportional to 319,788,168.84, 441,310,715.46 and 187,631,413.86

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Solution

The fourth proportional to 319,788,168.84, 441,310,715.46 and 187,631,413.86 is: 258,933,136.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,788,168.84 : 441,310,715.46 = 187,631,413.86 : x
  2. Step 2: Convert to fraction form
    319,788,168.84/441,310,715.46 = 187,631,413.86/x
  3. Step 3: Cross multiply
    319,788,168.84x = 441,310,715.46 × 187,631,413.86
  4. Step 4: Simplify right side
    319,788,168.84x = 82,803,753,493,327,968
  5. Step 5: Solve for x
    x = 82,803,753,493,327,968/319,788,168.84
  6. Step 6: Final answer
    x = 258,933,136.25

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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.