Finding the Fourth Proportional to 43,468,034.70, 65,202,052.05 and 28,351,490.70
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Solution
The fourth proportional to 43,468,034.70, 65,202,052.05 and 28,351,490.70 is: 42,527,236.05
Step by Step Solution
- Step 1: Write the proportion equation
43,468,034.70 : 65,202,052.05 = 28,351,490.70 : x - Step 2: Convert to fraction form
43,468,034.70/65,202,052.05 = 28,351,490.70/x - Step 3: Cross multiply
43,468,034.70x = 65,202,052.05 × 28,351,490.70 - Step 4: Simplify right side
43,468,034.70x = 1,848,575,372,316,490.75 - Step 5: Solve for x
x = 1,848,575,372,316,490.75/43,468,034.70 - Step 6: Final answer
x = 42,527,236.05
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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.