Finding the Fourth Proportional to 75,603,409.60, 113,489,095.20 and 41,591,185.60
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Solution
The fourth proportional to 75,603,409.60, 113,489,095.20 and 41,591,185.60 is: 62,432,978.18
Step by Step Solution
- Step 1: Write the proportion equation
75,603,409.60 : 113,489,095.20 = 41,591,185.60 : x - Step 2: Convert to fraction form
75,603,409.60/113,489,095.20 = 41,591,185.60/x - Step 3: Cross multiply
75,603,409.60x = 113,489,095.20 × 41,591,185.60 - Step 4: Simplify right side
75,603,409.60x = 4,720,146,022,039,269 - Step 5: Solve for x
x = 4,720,146,022,039,269/75,603,409.60 - Step 6: Final answer
x = 62,432,978.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.