Home / 216,682,072.88-324,831,788.46-165,791,282.72

Finding the Fourth Proportional to 216,682,072.88, 324,831,788.46 and 165,791,282.72

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Solution

The fourth proportional to 216,682,072.88, 324,831,788.46 and 165,791,282.72 is: 248,540,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,682,072.88 : 324,831,788.46 = 165,791,282.72 : x
  2. Step 2: Convert to fraction form
    216,682,072.88/324,831,788.46 = 165,791,282.72/x
  3. Step 3: Cross multiply
    216,682,072.88x = 324,831,788.46 × 165,791,282.72
  4. Step 4: Simplify right side
    216,682,072.88x = 53,854,278,875,390,936
  5. Step 5: Solve for x
    x = 53,854,278,875,390,936/216,682,072.88
  6. Step 6: Final answer
    x = 248,540,537.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.