Finding the Fourth Proportional to 165,902,415.80, 248,853,623.70 and 165,902,415.80
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Solution
The fourth proportional to 165,902,415.80, 248,853,623.70 and 165,902,415.80 is: 248,853,623.70
Step by Step Solution
- Step 1: Write the proportion equation
165,902,415.80 : 248,853,623.70 = 165,902,415.80 : x - Step 2: Convert to fraction form
165,902,415.80/248,853,623.70 = 165,902,415.80/x - Step 3: Cross multiply
165,902,415.80x = 248,853,623.70 × 165,902,415.80 - Step 4: Simplify right side
165,902,415.80x = 41,285,417,352,414,136 - Step 5: Solve for x
x = 41,285,417,352,414,136/165,902,415.80 - Step 6: Final answer
x = 248,853,623.70
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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.