Home / 133,119,656.78-199,700,941.35-41,003,351.78

Finding the Fourth Proportional to 133,119,656.78, 199,700,941.35 and 41,003,351.78

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Solution

The fourth proportional to 133,119,656.78, 199,700,941.35 and 41,003,351.78 is: 61,511,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,119,656.78 : 199,700,941.35 = 41,003,351.78 : x
  2. Step 2: Convert to fraction form
    133,119,656.78/199,700,941.35 = 41,003,351.78/x
  3. Step 3: Cross multiply
    133,119,656.78x = 199,700,941.35 × 41,003,351.78
  4. Step 4: Simplify right side
    133,119,656.78x = 8,188,407,948,971,198
  5. Step 5: Solve for x
    x = 8,188,407,948,971,198/133,119,656.78
  6. Step 6: Final answer
    x = 61,511,636.58

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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.