Finding the Fourth Proportional to 179,229,471.25, 268,872,936.83 and 75,613,938.99
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Solution
The fourth proportional to 179,229,471.25, 268,872,936.83 and 75,613,938.99 is: 113,433,029.18
Step by Step Solution
- Step 1: Write the proportion equation
179,229,471.25 : 268,872,936.83 = 75,613,938.99 : x - Step 2: Convert to fraction form
179,229,471.25/268,872,936.83 = 75,613,938.99/x - Step 3: Cross multiply
179,229,471.25x = 268,872,936.83 × 75,613,938.99 - Step 4: Simplify right side
179,229,471.25x = 20,330,541,841,525,740 - Step 5: Solve for x
x = 20,330,541,841,525,740/179,229,471.25 - Step 6: Final answer
x = 113,433,029.18
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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.