Finding the Fourth Proportional to 88,833,198.96, 122,317,291.62 and 77,757,968.52
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Solution
The fourth proportional to 88,833,198.96, 122,317,291.62 and 77,757,968.52 is: 107,067,450.26
Step by Step Solution
- Step 1: Write the proportion equation
88,833,198.96 : 122,317,291.62 = 77,757,968.52 : x - Step 2: Convert to fraction form
88,833,198.96/122,317,291.62 = 77,757,968.52/x - Step 3: Cross multiply
88,833,198.96x = 122,317,291.62 × 77,757,968.52 - Step 4: Simplify right side
88,833,198.96x = 9,511,144,111,239,620 - Step 5: Solve for x
x = 9,511,144,111,239,620/88,833,198.96 - Step 6: Final answer
x = 107,067,450.26
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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.