Finding the Fourth Proportional to 262,976,057.64, 394,517,886.66 and 90,430,462.44
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Solution
The fourth proportional to 262,976,057.64, 394,517,886.66 and 90,430,462.44 is: 135,664,194.12
Step by Step Solution
- Step 1: Write the proportion equation
262,976,057.64 : 394,517,886.66 = 90,430,462.44 : x - Step 2: Convert to fraction form
262,976,057.64/394,517,886.66 = 90,430,462.44/x - Step 3: Cross multiply
262,976,057.64x = 394,517,886.66 × 90,430,462.44 - Step 4: Simplify right side
262,976,057.64x = 35,676,434,931,515,308 - Step 5: Solve for x
x = 35,676,434,931,515,308/262,976,057.64 - Step 6: Final answer
x = 135,664,194.12
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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.