Home / 222,912,206.40-334,368,309.60-213,983,997.60

Finding the Fourth Proportional to 222,912,206.40, 334,368,309.60 and 213,983,997.60

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Solution

The fourth proportional to 222,912,206.40, 334,368,309.60 and 213,983,997.60 is: 320,975,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,912,206.40 : 334,368,309.60 = 213,983,997.60 : x
  2. Step 2: Convert to fraction form
    222,912,206.40/334,368,309.60 = 213,983,997.60/x
  3. Step 3: Cross multiply
    222,912,206.40x = 334,368,309.60 × 213,983,997.60
  4. Step 4: Simplify right side
    222,912,206.40x = 71,549,467,558,962,464
  5. Step 5: Solve for x
    x = 71,549,467,558,962,464/222,912,206.40
  6. Step 6: Final answer
    x = 320,975,996.40

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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.