Home / 222,912,207.90-334,368,311.85-213,983,999.10

Finding the Fourth Proportional to 222,912,207.90, 334,368,311.85 and 213,983,999.10

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Solution

The fourth proportional to 222,912,207.90, 334,368,311.85 and 213,983,999.10 is: 320,975,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,912,207.90 : 334,368,311.85 = 213,983,999.10 : x
  2. Step 2: Convert to fraction form
    222,912,207.90/334,368,311.85 = 213,983,999.10/x
  3. Step 3: Cross multiply
    222,912,207.90x = 334,368,311.85 × 213,983,999.10
  4. Step 4: Simplify right side
    222,912,207.90x = 71,549,468,541,978,920
  5. Step 5: Solve for x
    x = 71,549,468,541,978,920/222,912,207.90
  6. Step 6: Final answer
    x = 320,975,998.65

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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.