Finding the Fourth Proportional to 88,913,288.71, 122,701,791.26 and 48,678,613.40
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Solution
The fourth proportional to 88,913,288.71, 122,701,791.26 and 48,678,613.40 is: 67,177,281.90
Step by Step Solution
- Step 1: Write the proportion equation
88,913,288.71 : 122,701,791.26 = 48,678,613.40 : x - Step 2: Convert to fraction form
88,913,288.71/122,701,791.26 = 48,678,613.40/x - Step 3: Cross multiply
88,913,288.71x = 122,701,791.26 × 48,678,613.40 - Step 4: Simplify right side
88,913,288.71x = 5,972,953,060,233,039 - Step 5: Solve for x
x = 5,972,953,060,233,039/88,913,288.71 - Step 6: Final answer
x = 67,177,281.90
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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.