Home / 36,169,376.48-49,912,588.08-20,699,128.97

Finding the Fourth Proportional to 36,169,376.48, 49,912,588.08 and 20,699,128.97

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Solution

The fourth proportional to 36,169,376.48, 49,912,588.08 and 20,699,128.97 is: 28,564,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,169,376.48 : 49,912,588.08 = 20,699,128.97 : x
  2. Step 2: Convert to fraction form
    36,169,376.48/49,912,588.08 = 20,699,128.97/x
  3. Step 3: Cross multiply
    36,169,376.48x = 49,912,588.08 × 20,699,128.97
  4. Step 4: Simplify right side
    36,169,376.48x = 1,033,147,097,644,841.75
  5. Step 5: Solve for x
    x = 1,033,147,097,644,841.75/36,169,376.48
  6. Step 6: Final answer
    x = 28,564,139.01

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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.