Home / 133,059,603.20-199,589,404.80-131,268,012.80

Finding the Fourth Proportional to 133,059,603.20, 199,589,404.80 and 131,268,012.80

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Solution

The fourth proportional to 133,059,603.20, 199,589,404.80 and 131,268,012.80 is: 196,902,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,059,603.20 : 199,589,404.80 = 131,268,012.80 : x
  2. Step 2: Convert to fraction form
    133,059,603.20/199,589,404.80 = 131,268,012.80/x
  3. Step 3: Cross multiply
    133,059,603.20x = 199,589,404.80 × 131,268,012.80
  4. Step 4: Simplify right side
    133,059,603.20x = 26,199,704,544,030,784
  5. Step 5: Solve for x
    x = 26,199,704,544,030,784/133,059,603.20
  6. Step 6: Final answer
    x = 196,902,019.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.