Finding the Fourth Proportional to 71,021,226.48, 97,981,406.40 and 41,246,806.04
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Solution
The fourth proportional to 71,021,226.48, 97,981,406.40 and 41,246,806.04 is: 56,904,396.98
Step by Step Solution
- Step 1: Write the proportion equation
71,021,226.48 : 97,981,406.40 = 41,246,806.04 : x - Step 2: Convert to fraction form
71,021,226.48/97,981,406.40 = 41,246,806.04/x - Step 3: Cross multiply
71,021,226.48x = 97,981,406.40 × 41,246,806.04 - Step 4: Simplify right side
71,021,226.48x = 4,041,420,065,307,215 - Step 5: Solve for x
x = 4,041,420,065,307,215/71,021,226.48 - Step 6: Final answer
x = 56,904,396.98
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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.