Finding the Fourth Proportional to 49,330,918.40, 68,074,930.50 and 27,304,460.42
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Solution
The fourth proportional to 49,330,918.40, 68,074,930.50 and 27,304,460.42 is: 37,679,194.02
Step by Step Solution
- Step 1: Write the proportion equation
49,330,918.40 : 68,074,930.50 = 27,304,460.42 : x - Step 2: Convert to fraction form
49,330,918.40/68,074,930.50 = 27,304,460.42/x - Step 3: Cross multiply
49,330,918.40x = 68,074,930.50 × 27,304,460.42 - Step 4: Simplify right side
49,330,918.40x = 1,858,749,245,431,501 - Step 5: Solve for x
x = 1,858,749,245,431,501/49,330,918.40 - Step 6: Final answer
x = 37,679,194.02
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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.