Home / 222,626,234.70-307,096,561.70-138,848,918.20

Finding the Fourth Proportional to 222,626,234.70, 307,096,561.70 and 138,848,918.20

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Solution

The fourth proportional to 222,626,234.70, 307,096,561.70 and 138,848,918.20 is: 191,531,898.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,626,234.70 : 307,096,561.70 = 138,848,918.20 : x
  2. Step 2: Convert to fraction form
    222,626,234.70/307,096,561.70 = 138,848,918.20/x
  3. Step 3: Cross multiply
    222,626,234.70x = 307,096,561.70 × 138,848,918.20
  4. Step 4: Simplify right side
    222,626,234.70x = 42,640,025,374,984,544
  5. Step 5: Solve for x
    x = 42,640,025,374,984,544/222,626,234.70
  6. Step 6: Final answer
    x = 191,531,898.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.