Finding the Fourth Proportional to 85,163,649.75, 117,525,836.66 and 46,532,481.75
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Solution
The fourth proportional to 85,163,649.75, 117,525,836.66 and 46,532,481.75 is: 64,214,824.82
Step by Step Solution
- Step 1: Write the proportion equation
85,163,649.75 : 117,525,836.66 = 46,532,481.75 : x - Step 2: Convert to fraction form
85,163,649.75/117,525,836.66 = 46,532,481.75/x - Step 3: Cross multiply
85,163,649.75x = 117,525,836.66 × 46,532,481.75 - Step 4: Simplify right side
85,163,649.75x = 5,468,768,849,302,269 - Step 5: Solve for x
x = 5,468,768,849,302,269/85,163,649.75 - Step 6: Final answer
x = 64,214,824.82
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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.