Finding the Fourth Proportional to 205,190,861.44, 283,157,903.64 and 117,083,258.32
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Solution
The fourth proportional to 205,190,861.44, 283,157,903.64 and 117,083,258.32 is: 161,571,766.62
Step by Step Solution
- Step 1: Write the proportion equation
205,190,861.44 : 283,157,903.64 = 117,083,258.32 : x - Step 2: Convert to fraction form
205,190,861.44/283,157,903.64 = 117,083,258.32/x - Step 3: Cross multiply
205,190,861.44x = 283,157,903.64 × 117,083,258.32 - Step 4: Simplify right side
205,190,861.44x = 33,153,049,977,231,784 - Step 5: Solve for x
x = 33,153,049,977,231,784/205,190,861.44 - Step 6: Final answer
x = 161,571,766.62
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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.