Finding the Fourth Proportional to 88,465,762.16, 122,083,318.48 and 49,310,021.68
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Solution
The fourth proportional to 88,465,762.16, 122,083,318.48 and 49,310,021.68 is: 68,048,145.79
Step by Step Solution
- Step 1: Write the proportion equation
88,465,762.16 : 122,083,318.48 = 49,310,021.68 : x - Step 2: Convert to fraction form
88,465,762.16/122,083,318.48 = 49,310,021.68/x - Step 3: Cross multiply
88,465,762.16x = 122,083,318.48 × 49,310,021.68 - Step 4: Simplify right side
88,465,762.16x = 6,019,931,081,015,145 - Step 5: Solve for x
x = 6,019,931,081,015,145/88,465,762.16 - Step 6: Final answer
x = 68,048,145.79
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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.