Finding the Fourth Proportional to 49,055,763.99, 67,675,682.81 and 29,198,394.90
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Solution
The fourth proportional to 49,055,763.99, 67,675,682.81 and 29,198,394.90 is: 40,281,123.99
Step by Step Solution
- Step 1: Write the proportion equation
49,055,763.99 : 67,675,682.81 = 29,198,394.90 : x - Step 2: Convert to fraction form
49,055,763.99/67,675,682.81 = 29,198,394.90/x - Step 3: Cross multiply
49,055,763.99x = 67,675,682.81 × 29,198,394.90 - Step 4: Simplify right side
49,055,763.99x = 1,976,021,311,813,521.75 - Step 5: Solve for x
x = 1,976,021,311,813,521.75/49,055,763.99 - Step 6: Final answer
x = 40,281,123.99
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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.