Finding the Fourth Proportional to 220,629,438.42, 304,458,799.57 and 126,476,087.10
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Solution
The fourth proportional to 220,629,438.42, 304,458,799.57 and 126,476,087.10 is: 174,531,367.75
Step by Step Solution
- Step 1: Write the proportion equation
220,629,438.42 : 304,458,799.57 = 126,476,087.10 : x - Step 2: Convert to fraction form
220,629,438.42/304,458,799.57 = 126,476,087.10/x - Step 3: Cross multiply
220,629,438.42x = 304,458,799.57 × 126,476,087.10 - Step 4: Simplify right side
220,629,438.42x = 38,506,757,652,776,760 - Step 5: Solve for x
x = 38,506,757,652,776,760/220,629,438.42 - Step 6: Final answer
x = 174,531,367.75
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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.