Home / 203,994,199.32-281,503,778.94-111,172,709.40

Finding the Fourth Proportional to 203,994,199.32, 281,503,778.94 and 111,172,709.40

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Solution

The fourth proportional to 203,994,199.32, 281,503,778.94 and 111,172,709.40 is: 153,413,861.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,994,199.32 : 281,503,778.94 = 111,172,709.40 : x
  2. Step 2: Convert to fraction form
    203,994,199.32/281,503,778.94 = 111,172,709.40/x
  3. Step 3: Cross multiply
    203,994,199.32x = 281,503,778.94 × 111,172,709.40
  4. Step 4: Simplify right side
    203,994,199.32x = 31,295,537,811,098,460
  5. Step 5: Solve for x
    x = 31,295,537,811,098,460/203,994,199.32
  6. Step 6: Final answer
    x = 153,413,861.35

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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.