Finding the Fourth Proportional to 177,446,203.20, 265,721,407.20 and 116,532,129.60
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Solution
The fourth proportional to 177,446,203.20, 265,721,407.20 and 116,532,129.60 is: 174,504,051.95
Step by Step Solution
- Step 1: Write the proportion equation
177,446,203.20 : 265,721,407.20 = 116,532,129.60 : x - Step 2: Convert to fraction form
177,446,203.20/265,721,407.20 = 116,532,129.60/x - Step 3: Cross multiply
177,446,203.20x = 265,721,407.20 × 116,532,129.60 - Step 4: Simplify right side
177,446,203.20x = 30,965,081,461,324,772 - Step 5: Solve for x
x = 30,965,081,461,324,772/177,446,203.20 - Step 6: Final answer
x = 174,504,051.95
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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.