Home / 36,169,379.49-49,912,592.22-20,699,131.98

Finding the Fourth Proportional to 36,169,379.49, 49,912,592.22 and 20,699,131.98

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Solution

The fourth proportional to 36,169,379.49, 49,912,592.22 and 20,699,131.98 is: 28,564,143.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,169,379.49 : 49,912,592.22 = 20,699,131.98 : x
  2. Step 2: Convert to fraction form
    36,169,379.49/49,912,592.22 = 20,699,131.98/x
  3. Step 3: Cross multiply
    36,169,379.49x = 49,912,592.22 × 20,699,131.98
  4. Step 4: Simplify right side
    36,169,379.49x = 1,033,147,333,825,701.25
  5. Step 5: Solve for x
    x = 1,033,147,333,825,701.25/36,169,379.49
  6. Step 6: Final answer
    x = 28,564,143.16

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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.