Finding the Fourth Proportional to 223,367,771.80, 335,051,657.70 and 165,972,143.80
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Solution
The fourth proportional to 223,367,771.80, 335,051,657.70 and 165,972,143.80 is: 248,958,215.70
Step by Step Solution
- Step 1: Write the proportion equation
223,367,771.80 : 335,051,657.70 = 165,972,143.80 : x - Step 2: Convert to fraction form
223,367,771.80/335,051,657.70 = 165,972,143.80/x - Step 3: Cross multiply
223,367,771.80x = 335,051,657.70 × 165,972,143.80 - Step 4: Simplify right side
223,367,771.80x = 55,609,241,912,212,776 - Step 5: Solve for x
x = 55,609,241,912,212,776/223,367,771.80 - Step 6: Final answer
x = 248,958,215.70
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1.5x scale
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.