Home / 314,928,608.55-472,392,912.83-212,136,109.35

Finding the Fourth Proportional to 314,928,608.55, 472,392,912.83 and 212,136,109.35

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Solution

The fourth proportional to 314,928,608.55, 472,392,912.83 and 212,136,109.35 is: 318,204,164.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,608.55 : 472,392,912.83 = 212,136,109.35 : x
  2. Step 2: Convert to fraction form
    314,928,608.55/472,392,912.83 = 212,136,109.35/x
  3. Step 3: Cross multiply
    314,928,608.55x = 472,392,912.83 × 212,136,109.35
  4. Step 4: Simplify right side
    314,928,608.55x = 100,211,594,611,209,216
  5. Step 5: Solve for x
    x = 100,211,594,611,209,216/314,928,608.55
  6. Step 6: Final answer
    x = 318,204,164.03

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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.