Finding the Fourth Proportional to 294,626,112.09, 406,575,137.39 and 162,467,043.45
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Solution
The fourth proportional to 294,626,112.09, 406,575,137.39 and 162,467,043.45 is: 224,199,613.68
Step by Step Solution
- Step 1: Write the proportion equation
294,626,112.09 : 406,575,137.39 = 162,467,043.45 : x - Step 2: Convert to fraction form
294,626,112.09/406,575,137.39 = 162,467,043.45/x - Step 3: Cross multiply
294,626,112.09x = 406,575,137.39 × 162,467,043.45 - Step 4: Simplify right side
294,626,112.09x = 66,055,060,511,218,504 - Step 5: Solve for x
x = 66,055,060,511,218,504/294,626,112.09 - Step 6: Final answer
x = 224,199,613.68
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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.