Finding the Fourth Proportional to 168,416,425.44, 232,523,982.36 and 150,744,699.72
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Solution
The fourth proportional to 168,416,425.44, 232,523,982.36 and 150,744,699.72 is: 208,125,530.55
Step by Step Solution
- Step 1: Write the proportion equation
168,416,425.44 : 232,523,982.36 = 150,744,699.72 : x - Step 2: Convert to fraction form
168,416,425.44/232,523,982.36 = 150,744,699.72/x - Step 3: Cross multiply
168,416,425.44x = 232,523,982.36 × 150,744,699.72 - Step 4: Simplify right side
168,416,425.44x = 35,051,757,898,556,780 - Step 5: Solve for x
x = 35,051,757,898,556,780/168,416,425.44 - Step 6: Final answer
x = 208,125,530.55
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1.5x scale
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.