Home / 303,203,100.96-418,421,532.44-163,973,859.84

Finding the Fourth Proportional to 303,203,100.96, 418,421,532.44 and 163,973,859.84

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Solution

The fourth proportional to 303,203,100.96, 418,421,532.44 and 163,973,859.84 is: 226,284,604.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,203,100.96 : 418,421,532.44 = 163,973,859.84 : x
  2. Step 2: Convert to fraction form
    303,203,100.96/418,421,532.44 = 163,973,859.84/x
  3. Step 3: Cross multiply
    303,203,100.96x = 418,421,532.44 × 163,973,859.84
  4. Step 4: Simplify right side
    303,203,100.96x = 68,610,193,713,534,704
  5. Step 5: Solve for x
    x = 68,610,193,713,534,704/303,203,100.96
  6. Step 6: Final answer
    x = 226,284,604.27

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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.