Finding the Fourth Proportional to 88,913,289.21, 122,701,791.96 and 48,678,613.89
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Solution
The fourth proportional to 88,913,289.21, 122,701,791.96 and 48,678,613.89 is: 67,177,282.58
Step by Step Solution
- Step 1: Write the proportion equation
88,913,289.21 : 122,701,791.96 = 48,678,613.89 : x - Step 2: Convert to fraction form
88,913,289.21/122,701,791.96 = 48,678,613.89/x - Step 3: Cross multiply
88,913,289.21x = 122,701,791.96 × 48,678,613.89 - Step 4: Simplify right side
88,913,289.21x = 5,972,953,154,431,946 - Step 5: Solve for x
x = 5,972,953,154,431,946/88,913,289.21 - Step 6: Final answer
x = 67,177,282.58
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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.