Finding the Fourth Proportional to 220,033,745.99, 303,580,352.85 and 131,895,584.74
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Solution
The fourth proportional to 220,033,745.99, 303,580,352.85 and 131,895,584.74 is: 181,976,214.49
Step by Step Solution
- Step 1: Write the proportion equation
220,033,745.99 : 303,580,352.85 = 131,895,584.74 : x - Step 2: Convert to fraction form
220,033,745.99/303,580,352.85 = 131,895,584.74/x - Step 3: Cross multiply
220,033,745.99x = 303,580,352.85 × 131,895,584.74 - Step 4: Simplify right side
220,033,745.99x = 40,040,908,154,726,280 - Step 5: Solve for x
x = 40,040,908,154,726,280/220,033,745.99 - Step 6: Final answer
x = 181,976,214.49
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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.