Home / 36,169,381.98-49,912,595.67-20,699,134.47

Finding the Fourth Proportional to 36,169,381.98, 49,912,595.67 and 20,699,134.47

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Solution

The fourth proportional to 36,169,381.98, 49,912,595.67 and 20,699,134.47 is: 28,564,146.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,169,381.98 : 49,912,595.67 = 20,699,134.47 : x
  2. Step 2: Convert to fraction form
    36,169,381.98/49,912,595.67 = 20,699,134.47/x
  3. Step 3: Cross multiply
    36,169,381.98x = 49,912,595.67 × 20,699,134.47
  4. Step 4: Simplify right side
    36,169,381.98x = 1,033,147,529,520,069.75
  5. Step 5: Solve for x
    x = 1,033,147,529,520,069.75/36,169,381.98
  6. Step 6: Final answer
    x = 28,564,146.61

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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.