Finding the Fourth Proportional to 157,180,514.70, 235,770,772.05 and 54,933,890.70
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Solution
The fourth proportional to 157,180,514.70, 235,770,772.05 and 54,933,890.70 is: 82,400,836.05
Step by Step Solution
- Step 1: Write the proportion equation
157,180,514.70 : 235,770,772.05 = 54,933,890.70 : x - Step 2: Convert to fraction form
157,180,514.70/235,770,772.05 = 54,933,890.70/x - Step 3: Cross multiply
157,180,514.70x = 235,770,772.05 × 54,933,890.70 - Step 4: Simplify right side
157,180,514.70x = 12,951,805,822,049,316 - Step 5: Solve for x
x = 12,951,805,822,049,316/157,180,514.70 - Step 6: Final answer
x = 82,400,836.05
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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.