Finding the Fourth Proportional to 212,218,732.07, 318,328,077.59 and 58,864,795.19
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Solution
The fourth proportional to 212,218,732.07, 318,328,077.59 and 58,864,795.19 is: 88,297,187.09
Step by Step Solution
- Step 1: Write the proportion equation
212,218,732.07 : 318,328,077.59 = 58,864,795.19 : x - Step 2: Convert to fraction form
212,218,732.07/318,328,077.59 = 58,864,795.19/x - Step 3: Cross multiply
212,218,732.07x = 318,328,077.59 × 58,864,795.19 - Step 4: Simplify right side
212,218,732.07x = 18,738,317,090,267,452 - Step 5: Solve for x
x = 18,738,317,090,267,452/212,218,732.07 - Step 6: Final answer
x = 88,297,187.09
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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.