Finding the Fourth Proportional to 135,154,348.66, 186,542,174.14 and 82,248,102.44
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Solution
The fourth proportional to 135,154,348.66, 186,542,174.14 and 82,248,102.44 is: 113,520,134.57
Step by Step Solution
- Step 1: Write the proportion equation
135,154,348.66 : 186,542,174.14 = 82,248,102.44 : x - Step 2: Convert to fraction form
135,154,348.66/186,542,174.14 = 82,248,102.44/x - Step 3: Cross multiply
135,154,348.66x = 186,542,174.14 × 82,248,102.44 - Step 4: Simplify right side
135,154,348.66x = 15,342,739,848,047,038 - Step 5: Solve for x
x = 15,342,739,848,047,038/135,154,348.66 - Step 6: Final answer
x = 113,520,134.57
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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.