Home / 203,644,316.52-281,088,375.42-133,090,540.38

Finding the Fourth Proportional to 203,644,316.52, 281,088,375.42 and 133,090,540.38

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Solution

The fourth proportional to 203,644,316.52, 281,088,375.42 and 133,090,540.38 is: 183,703,647.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,644,316.52 : 281,088,375.42 = 133,090,540.38 : x
  2. Step 2: Convert to fraction form
    203,644,316.52/281,088,375.42 = 133,090,540.38/x
  3. Step 3: Cross multiply
    203,644,316.52x = 281,088,375.42 × 133,090,540.38
  4. Step 4: Simplify right side
    203,644,316.52x = 37,410,203,779,184,112
  5. Step 5: Solve for x
    x = 37,410,203,779,184,112/203,644,316.52
  6. Step 6: Final answer
    x = 183,703,647.71

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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.