Finding the Fourth Proportional to 100,193,577.36, 138,351,396.24 and 75,370,738.56
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Solution
The fourth proportional to 100,193,577.36, 138,351,396.24 and 75,370,738.56 is: 104,075,003.51
Step by Step Solution
- Step 1: Write the proportion equation
100,193,577.36 : 138,351,396.24 = 75,370,738.56 : x - Step 2: Convert to fraction form
100,193,577.36/138,351,396.24 = 75,370,738.56/x - Step 3: Cross multiply
100,193,577.36x = 138,351,396.24 × 75,370,738.56 - Step 4: Simplify right side
100,193,577.36x = 10,427,646,915,416,008 - Step 5: Solve for x
x = 10,427,646,915,416,008/100,193,577.36 - Step 6: Final answer
x = 104,075,003.51
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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.