Finding the Fourth Proportional to 75,805,438.73, 104,611,505.55 and 40,998,129.26
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Solution
The fourth proportional to 75,805,438.73, 104,611,505.55 and 40,998,129.26 is: 56,577,418.43
Step by Step Solution
- Step 1: Write the proportion equation
75,805,438.73 : 104,611,505.55 = 40,998,129.26 : x - Step 2: Convert to fraction form
75,805,438.73/104,611,505.55 = 40,998,129.26/x - Step 3: Cross multiply
75,805,438.73x = 104,611,505.55 × 40,998,129.26 - Step 4: Simplify right side
75,805,438.73x = 4,288,876,026,622,107 - Step 5: Solve for x
x = 4,288,876,026,622,107/75,805,438.73 - Step 6: Final answer
x = 56,577,418.43
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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.