Finding the Fourth Proportional to 88,465,759.12, 122,083,314.30 and 49,310,018.68
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Solution
The fourth proportional to 88,465,759.12, 122,083,314.30 and 49,310,018.68 is: 68,048,141.66
Step by Step Solution
- Step 1: Write the proportion equation
88,465,759.12 : 122,083,314.30 = 49,310,018.68 : x - Step 2: Convert to fraction form
88,465,759.12/122,083,314.30 = 49,310,018.68/x - Step 3: Cross multiply
88,465,759.12x = 122,083,314.30 × 49,310,018.68 - Step 4: Simplify right side
88,465,759.12x = 6,019,930,508,649,311 - Step 5: Solve for x
x = 6,019,930,508,649,311/88,465,759.12 - Step 6: Final answer
x = 68,048,141.66
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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.