Finding the Fourth Proportional to 76,836,334.05, 115,254,520.70 and 21,512,319.68
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Solution
The fourth proportional to 76,836,334.05, 115,254,520.70 and 21,512,319.68 is: 32,268,485.01
Step by Step Solution
- Step 1: Write the proportion equation
76,836,334.05 : 115,254,520.70 = 21,512,319.68 : x - Step 2: Convert to fraction form
76,836,334.05/115,254,520.70 = 21,512,319.68/x - Step 3: Cross multiply
76,836,334.05x = 115,254,520.70 × 21,512,319.68 - Step 4: Simplify right side
76,836,334.05x = 2,479,392,093,863,577.50 - Step 5: Solve for x
x = 2,479,392,093,863,577.50/76,836,334.05 - Step 6: Final answer
x = 32,268,485.01
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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.