Home / 212,167,039.68-318,250,647.72-95,446,061.28

Finding the Fourth Proportional to 212,167,039.68, 318,250,647.72 and 95,446,061.28

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Solution

The fourth proportional to 212,167,039.68, 318,250,647.72 and 95,446,061.28 is: 143,169,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,167,039.68 : 318,250,647.72 = 95,446,061.28 : x
  2. Step 2: Convert to fraction form
    212,167,039.68/318,250,647.72 = 95,446,061.28/x
  3. Step 3: Cross multiply
    212,167,039.68x = 318,250,647.72 × 95,446,061.28
  4. Step 4: Simplify right side
    212,167,039.68x = 30,375,770,824,682,816
  5. Step 5: Solve for x
    x = 30,375,770,824,682,816/212,167,039.68
  6. Step 6: Final answer
    x = 143,169,131.60

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