Finding the Fourth Proportional to 121,945,097.62, 182,953,578.84 and 49,124,405.53
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Solution
The fourth proportional to 121,945,097.62, 182,953,578.84 and 49,124,405.53 is: 73,701,083.32
Step by Step Solution
- Step 1: Write the proportion equation
121,945,097.62 : 182,953,578.84 = 49,124,405.53 : x - Step 2: Convert to fraction form
121,945,097.62/182,953,578.84 = 49,124,405.53/x - Step 3: Cross multiply
121,945,097.62x = 182,953,578.84 × 49,124,405.53 - Step 4: Simplify right side
121,945,097.62x = 8,987,485,799,397,982 - Step 5: Solve for x
x = 8,987,485,799,397,982/121,945,097.62 - Step 6: Final answer
x = 73,701,083.32
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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.