Home / 117,212,479-161,753,222.46-65,704,255

Finding the Fourth Proportional to 117,212,479, 161,753,222.46 and 65,704,255

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Solution

The fourth proportional to 117,212,479, 161,753,222.46 and 65,704,255 is: 90,671,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,212,479 : 161,753,222.46 = 65,704,255 : x
  2. Step 2: Convert to fraction form
    117,212,479/161,753,222.46 = 65,704,255/x
  3. Step 3: Cross multiply
    117,212,479x = 161,753,222.46 × 65,704,255
  4. Step 4: Simplify right side
    117,212,479x = 10,627,874,975,583,568
  5. Step 5: Solve for x
    x = 10,627,874,975,583,568/117,212,479
  6. Step 6: Final answer
    x = 90,671,872.71

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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.