Finding the Fourth Proportional to 223,367,656.80, 335,051,485.20 and 165,972,028.80
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Solution
The fourth proportional to 223,367,656.80, 335,051,485.20 and 165,972,028.80 is: 248,958,043.20
Step by Step Solution
- Step 1: Write the proportion equation
223,367,656.80 : 335,051,485.20 = 165,972,028.80 : x - Step 2: Convert to fraction form
223,367,656.80/335,051,485.20 = 165,972,028.80/x - Step 3: Cross multiply
223,367,656.80x = 335,051,485.20 × 165,972,028.80 - Step 4: Simplify right side
223,367,656.80x = 55,609,174,751,097,176 - Step 5: Solve for x
x = 55,609,174,751,097,176/223,367,656.80 - Step 6: Final answer
x = 248,958,043.20
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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.