Finding the Fourth Proportional to 75,843,932.79, 104,663,882.12 and 41,035,859.49
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Solution
The fourth proportional to 75,843,932.79, 104,663,882.12 and 41,035,859.49 is: 56,629,082.94
Step by Step Solution
- Step 1: Write the proportion equation
75,843,932.79 : 104,663,882.12 = 41,035,859.49 : x - Step 2: Convert to fraction form
75,843,932.79/104,663,882.12 = 41,035,859.49/x - Step 3: Cross multiply
75,843,932.79x = 104,663,882.12 × 41,035,859.49 - Step 4: Simplify right side
75,843,932.79x = 4,294,972,360,149,064 - Step 5: Solve for x
x = 4,294,972,360,149,064/75,843,932.79 - Step 6: Final answer
x = 56,629,082.94
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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.