Finding the Fourth Proportional to 177,647,930.70, 266,471,896.05 and 101,120,426.70
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Solution
The fourth proportional to 177,647,930.70, 266,471,896.05 and 101,120,426.70 is: 151,680,640.05
Step by Step Solution
- Step 1: Write the proportion equation
177,647,930.70 : 266,471,896.05 = 101,120,426.70 : x - Step 2: Convert to fraction form
177,647,930.70/266,471,896.05 = 101,120,426.70/x - Step 3: Cross multiply
177,647,930.70x = 266,471,896.05 × 101,120,426.70 - Step 4: Simplify right side
177,647,930.70x = 26,945,751,832,134,048 - Step 5: Solve for x
x = 26,945,751,832,134,048/177,647,930.70 - Step 6: Final answer
x = 151,680,640.05
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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.