Finding the Fourth Proportional to 167,469,218.74, 231,073,648.86 and 97,841,152.99
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Solution
The fourth proportional to 167,469,218.74, 231,073,648.86 and 97,841,152.99 is: 135,001,001.38
Step by Step Solution
- Step 1: Write the proportion equation
167,469,218.74 : 231,073,648.86 = 97,841,152.99 : x - Step 2: Convert to fraction form
167,469,218.74/231,073,648.86 = 97,841,152.99/x - Step 3: Cross multiply
167,469,218.74x = 231,073,648.86 × 97,841,152.99 - Step 4: Simplify right side
167,469,218.74x = 22,608,512,230,068,800 - Step 5: Solve for x
x = 22,608,512,230,068,800/167,469,218.74 - Step 6: Final answer
x = 135,001,001.38
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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.