Home / 203,994,199.82-281,503,779.63-111,172,709.90

Finding the Fourth Proportional to 203,994,199.82, 281,503,779.63 and 111,172,709.90

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Solution

The fourth proportional to 203,994,199.82, 281,503,779.63 and 111,172,709.90 is: 153,413,862.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,994,199.82 : 281,503,779.63 = 111,172,709.90 : x
  2. Step 2: Convert to fraction form
    203,994,199.82/281,503,779.63 = 111,172,709.90/x
  3. Step 3: Cross multiply
    203,994,199.82x = 281,503,779.63 × 111,172,709.90
  4. Step 4: Simplify right side
    203,994,199.82x = 31,295,538,028,559,520
  5. Step 5: Solve for x
    x = 31,295,538,028,559,520/203,994,199.82
  6. Step 6: Final answer
    x = 153,413,862.04

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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.