Home / 212,218,732.32-318,328,077.96-58,864,795.44

Finding the Fourth Proportional to 212,218,732.32, 318,328,077.96 and 58,864,795.44

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Solution

The fourth proportional to 212,218,732.32, 318,328,077.96 and 58,864,795.44 is: 88,297,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,218,732.32 : 318,328,077.96 = 58,864,795.44 : x
  2. Step 2: Convert to fraction form
    212,218,732.32/318,328,077.96 = 58,864,795.44/x
  3. Step 3: Cross multiply
    212,218,732.32x = 318,328,077.96 × 58,864,795.44
  4. Step 4: Simplify right side
    212,218,732.32x = 18,738,317,191,923,772
  5. Step 5: Solve for x
    x = 18,738,317,191,923,772/212,218,732.32
  6. Step 6: Final answer
    x = 88,297,187.47

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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.