Home / 314,928,611.55-472,392,917.33-212,136,112.35

Finding the Fourth Proportional to 314,928,611.55, 472,392,917.33 and 212,136,112.35

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Solution

The fourth proportional to 314,928,611.55, 472,392,917.33 and 212,136,112.35 is: 318,204,168.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,611.55 : 472,392,917.33 = 212,136,112.35 : x
  2. Step 2: Convert to fraction form
    314,928,611.55/472,392,917.33 = 212,136,112.35/x
  3. Step 3: Cross multiply
    314,928,611.55x = 472,392,917.33 × 212,136,112.35
  4. Step 4: Simplify right side
    314,928,611.55x = 100,211,596,983,000,464
  5. Step 5: Solve for x
    x = 100,211,596,983,000,464/314,928,611.55
  6. Step 6: Final answer
    x = 318,204,168.53

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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.