Home / 219,949,938.05-303,534,023.40-120,839,845.23

Finding the Fourth Proportional to 219,949,938.05, 303,534,023.40 and 120,839,845.23

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Solution

The fourth proportional to 219,949,938.05, 303,534,023.40 and 120,839,845.23 is: 166,760,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,949,938.05 : 303,534,023.40 = 120,839,845.23 : x
  2. Step 2: Convert to fraction form
    219,949,938.05/303,534,023.40 = 120,839,845.23/x
  3. Step 3: Cross multiply
    219,949,938.05x = 303,534,023.40 × 120,839,845.23
  4. Step 4: Simplify right side
    219,949,938.05x = 36,679,004,409,695,200
  5. Step 5: Solve for x
    x = 36,679,004,409,695,200/219,949,938.05
  6. Step 6: Final answer
    x = 166,760,694.44

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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.