Finding the Fourth Proportional to 270,368,138.20, 405,552,207.30 and 179,491,727.20
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Solution
The fourth proportional to 270,368,138.20, 405,552,207.30 and 179,491,727.20 is: 269,237,590.80
Step by Step Solution
- Step 1: Write the proportion equation
270,368,138.20 : 405,552,207.30 = 179,491,727.20 : x - Step 2: Convert to fraction form
270,368,138.20/405,552,207.30 = 179,491,727.20/x - Step 3: Cross multiply
270,368,138.20x = 405,552,207.30 × 179,491,727.20 - Step 4: Simplify right side
270,368,138.20x = 72,793,266,158,049,440 - Step 5: Solve for x
x = 72,793,266,158,049,440/270,368,138.20 - Step 6: Final answer
x = 269,237,590.80
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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.