Home / 36,169,379.98-49,912,592.91-20,699,132.47

Finding the Fourth Proportional to 36,169,379.98, 49,912,592.91 and 20,699,132.47

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Solution

The fourth proportional to 36,169,379.98, 49,912,592.91 and 20,699,132.47 is: 28,564,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,169,379.98 : 49,912,592.91 = 20,699,132.47 : x
  2. Step 2: Convert to fraction form
    36,169,379.98/49,912,592.91 = 20,699,132.47/x
  3. Step 3: Cross multiply
    36,169,379.98x = 49,912,592.91 × 20,699,132.47
  4. Step 4: Simplify right side
    36,169,379.98x = 1,033,147,372,565,272.62
  5. Step 5: Solve for x
    x = 1,033,147,372,565,272.62/36,169,379.98
  6. Step 6: Final answer
    x = 28,564,143.85

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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.