Home / 303,203,105.98-418,421,539.34-163,973,864.86

Finding the Fourth Proportional to 303,203,105.98, 418,421,539.34 and 163,973,864.86

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Solution

The fourth proportional to 303,203,105.98, 418,421,539.34 and 163,973,864.86 is: 226,284,611.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,203,105.98 : 418,421,539.34 = 163,973,864.86 : x
  2. Step 2: Convert to fraction form
    303,203,105.98/418,421,539.34 = 163,973,864.86/x
  3. Step 3: Cross multiply
    303,203,105.98x = 418,421,539.34 × 163,973,864.86
  4. Step 4: Simplify right side
    303,203,105.98x = 68,610,196,945,430,464
  5. Step 5: Solve for x
    x = 68,610,196,945,430,464/303,203,105.98
  6. Step 6: Final answer
    x = 226,284,611.18

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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.