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Finding the Fourth Proportional to 57,770,691.21, 79,731,728.81 and 35,751,282.20

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Solution

The fourth proportional to 57,770,691.21, 79,731,728.81 and 35,751,282.20 is: 49,341,828.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,770,691.21 : 79,731,728.81 = 35,751,282.20 : x
  2. Step 2: Convert to fraction form
    57,770,691.21/79,731,728.81 = 35,751,282.20/x
  3. Step 3: Cross multiply
    57,770,691.21x = 79,731,728.81 × 35,751,282.20
  4. Step 4: Simplify right side
    57,770,691.21x = 2,850,511,537,183,749
  5. Step 5: Solve for x
    x = 2,850,511,537,183,749/57,770,691.21
  6. Step 6: Final answer
    x = 49,341,828.49

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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.