Finding the Fourth Proportional to 122,032,396.26, 168,405,921.72 and 66,278,905.02
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Solution
The fourth proportional to 122,032,396.26, 168,405,921.72 and 66,278,905.02 is: 91,465,548.76
Step by Step Solution
- Step 1: Write the proportion equation
122,032,396.26 : 168,405,921.72 = 66,278,905.02 : x - Step 2: Convert to fraction form
122,032,396.26/168,405,921.72 = 66,278,905.02/x - Step 3: Cross multiply
122,032,396.26x = 168,405,921.72 × 66,278,905.02 - Step 4: Simplify right side
122,032,396.26x = 11,161,760,090,485,436 - Step 5: Solve for x
x = 11,161,760,090,485,436/122,032,396.26 - Step 6: Final answer
x = 91,465,548.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.