Finding the Fourth Proportional to 193,275,396.42, 266,631,843.60 and 114,914,355.36
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Solution
The fourth proportional to 193,275,396.42, 266,631,843.60 and 114,914,355.36 is: 158,529,367.90
Step by Step Solution
- Step 1: Write the proportion equation
193,275,396.42 : 266,631,843.60 = 114,914,355.36 : x - Step 2: Convert to fraction form
193,275,396.42/266,631,843.60 = 114,914,355.36/x - Step 3: Cross multiply
193,275,396.42x = 266,631,843.60 × 114,914,355.36 - Step 4: Simplify right side
193,275,396.42x = 30,639,826,425,742,340 - Step 5: Solve for x
x = 30,639,826,425,742,340/193,275,396.42 - Step 6: Final answer
x = 158,529,367.90
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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.