Home / 52,587,138.96-79,239,654.06-43,212,519.72

Finding the Fourth Proportional to 52,587,138.96, 79,239,654.06 and 43,212,519.72

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Solution

The fourth proportional to 52,587,138.96, 79,239,654.06 and 43,212,519.72 is: 65,113,736.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,587,138.96 : 79,239,654.06 = 43,212,519.72 : x
  2. Step 2: Convert to fraction form
    52,587,138.96/79,239,654.06 = 43,212,519.72/x
  3. Step 3: Cross multiply
    52,587,138.96x = 79,239,654.06 × 43,212,519.72
  4. Step 4: Simplify right side
    52,587,138.96x = 3,424,145,113,673,728
  5. Step 5: Solve for x
    x = 3,424,145,113,673,728/52,587,138.96
  6. Step 6: Final answer
    x = 65,113,736.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.