Finding the Fourth Proportional to 75,551,245.80, 113,326,868.70 and 24,438,431.40
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Solution
The fourth proportional to 75,551,245.80, 113,326,868.70 and 24,438,431.40 is: 36,657,647.10
Step by Step Solution
- Step 1: Write the proportion equation
75,551,245.80 : 113,326,868.70 = 24,438,431.40 : x - Step 2: Convert to fraction form
75,551,245.80/113,326,868.70 = 24,438,431.40/x - Step 3: Cross multiply
75,551,245.80x = 113,326,868.70 × 24,438,431.40 - Step 4: Simplify right side
75,551,245.80x = 2,769,530,906,501,757 - Step 5: Solve for x
x = 2,769,530,906,501,757/75,551,245.80 - Step 6: Final answer
x = 36,657,647.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.