Home / 70,734,747.72-97,613,936.82-39,372,120.39

Finding the Fourth Proportional to 70,734,747.72, 97,613,936.82 and 39,372,120.39

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Solution

The fourth proportional to 70,734,747.72, 97,613,936.82 and 39,372,120.39 is: 54,333,517.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,734,747.72 : 97,613,936.82 = 39,372,120.39 : x
  2. Step 2: Convert to fraction form
    70,734,747.72/97,613,936.82 = 39,372,120.39/x
  3. Step 3: Cross multiply
    70,734,747.72x = 97,613,936.82 × 39,372,120.39
  4. Step 4: Simplify right side
    70,734,747.72x = 3,843,267,672,218,893.50
  5. Step 5: Solve for x
    x = 3,843,267,672,218,893.50/70,734,747.72
  6. Step 6: Final answer
    x = 54,333,517.77

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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.