Home / 212,580,414.40-318,870,621.60-161,184,164.80

Finding the Fourth Proportional to 212,580,414.40, 318,870,621.60 and 161,184,164.80

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Solution

The fourth proportional to 212,580,414.40, 318,870,621.60 and 161,184,164.80 is: 241,776,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,580,414.40 : 318,870,621.60 = 161,184,164.80 : x
  2. Step 2: Convert to fraction form
    212,580,414.40/318,870,621.60 = 161,184,164.80/x
  3. Step 3: Cross multiply
    212,580,414.40x = 318,870,621.60 × 161,184,164.80
  4. Step 4: Simplify right side
    212,580,414.40x = 51,396,894,821,852,848
  5. Step 5: Solve for x
    x = 51,396,894,821,852,848/212,580,414.40
  6. Step 6: Final answer
    x = 241,776,247.20

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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.