Finding the Fourth Proportional to 91,212,080.96, 137,036,390.62 and 58,486,766.13
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Solution
The fourth proportional to 91,212,080.96, 137,036,390.62 and 58,486,766.13 is: 87,870,107.17
Step by Step Solution
- Step 1: Write the proportion equation
91,212,080.96 : 137,036,390.62 = 58,486,766.13 : x - Step 2: Convert to fraction form
91,212,080.96/137,036,390.62 = 58,486,766.13/x - Step 3: Cross multiply
91,212,080.96x = 137,036,390.62 × 58,486,766.13 - Step 4: Simplify right side
91,212,080.96x = 8,014,815,329,491,266 - Step 5: Solve for x
x = 8,014,815,329,491,266/91,212,080.96 - Step 6: Final answer
x = 87,870,107.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.