Finding the Fourth Proportional to 43,468,273.20, 65,202,409.80 and 28,351,729.20
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Solution
The fourth proportional to 43,468,273.20, 65,202,409.80 and 28,351,729.20 is: 42,527,593.80
Step by Step Solution
- Step 1: Write the proportion equation
43,468,273.20 : 65,202,409.80 = 28,351,729.20 : x - Step 2: Convert to fraction form
43,468,273.20/65,202,409.80 = 28,351,729.20/x - Step 3: Cross multiply
43,468,273.20x = 65,202,409.80 × 28,351,729.20 - Step 4: Simplify right side
43,468,273.20x = 1,848,601,065,837,026 - Step 5: Solve for x
x = 1,848,601,065,837,026/43,468,273.20 - Step 6: Final answer
x = 42,527,593.80
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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.