Home / 222,626,232.71-307,096,558.94-138,848,916.20

Finding the Fourth Proportional to 222,626,232.71, 307,096,558.94 and 138,848,916.20

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Solution

The fourth proportional to 222,626,232.71, 307,096,558.94 and 138,848,916.20 is: 191,531,895.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,626,232.71 : 307,096,558.94 = 138,848,916.20 : x
  2. Step 2: Convert to fraction form
    222,626,232.71/307,096,558.94 = 138,848,916.20/x
  3. Step 3: Cross multiply
    222,626,232.71x = 307,096,558.94 × 138,848,916.20
  4. Step 4: Simplify right side
    222,626,232.71x = 42,640,024,378,111,800
  5. Step 5: Solve for x
    x = 42,640,024,378,111,800/222,626,232.71
  6. Step 6: Final answer
    x = 191,531,895.68

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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.