Finding the Fourth Proportional to 293,640,239.37, 405,108,841.45 and 168,125,355.09
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Solution
The fourth proportional to 293,640,239.37, 405,108,841.45 and 168,125,355.09 is: 231,947,324.27
Step by Step Solution
- Step 1: Write the proportion equation
293,640,239.37 : 405,108,841.45 = 168,125,355.09 : x - Step 2: Convert to fraction form
293,640,239.37/405,108,841.45 = 168,125,355.09/x - Step 3: Cross multiply
293,640,239.37x = 405,108,841.45 × 168,125,355.09 - Step 4: Simplify right side
293,640,239.37x = 68,109,067,818,879,760 - Step 5: Solve for x
x = 68,109,067,818,879,760/293,640,239.37 - Step 6: Final answer
x = 231,947,324.27
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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.