Finding the Fourth Proportional to 44,290,163.70, 66,435,245.55 and 20,402,291.70
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Solution
The fourth proportional to 44,290,163.70, 66,435,245.55 and 20,402,291.70 is: 30,603,437.55
Step by Step Solution
- Step 1: Write the proportion equation
44,290,163.70 : 66,435,245.55 = 20,402,291.70 : x - Step 2: Convert to fraction form
44,290,163.70/66,435,245.55 = 20,402,291.70/x - Step 3: Cross multiply
44,290,163.70x = 66,435,245.55 × 20,402,291.70 - Step 4: Simplify right side
44,290,163.70x = 1,355,431,258,872,226.75 - Step 5: Solve for x
x = 1,355,431,258,872,226.75/44,290,163.70 - Step 6: Final answer
x = 30,603,437.55
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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.