Home / 190,148,456.72-262,405,961.60-111,835,310.96

Finding the Fourth Proportional to 190,148,456.72, 262,405,961.60 and 111,835,310.96

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Solution

The fourth proportional to 190,148,456.72, 262,405,961.60 and 111,835,310.96 is: 154,333,370.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,148,456.72 : 262,405,961.60 = 111,835,310.96 : x
  2. Step 2: Convert to fraction form
    190,148,456.72/262,405,961.60 = 111,835,310.96/x
  3. Step 3: Cross multiply
    190,148,456.72x = 262,405,961.60 × 111,835,310.96
  4. Step 4: Simplify right side
    190,148,456.72x = 29,346,252,313,293,816
  5. Step 5: Solve for x
    x = 29,346,252,313,293,816/190,148,456.72
  6. Step 6: Final answer
    x = 154,333,370.99

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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.