Finding the Fourth Proportional to 39,911,101.80, 59,866,652.70 and 30,345,163.80
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Solution
The fourth proportional to 39,911,101.80, 59,866,652.70 and 30,345,163.80 is: 45,517,745.70
Step by Step Solution
- Step 1: Write the proportion equation
39,911,101.80 : 59,866,652.70 = 30,345,163.80 : x - Step 2: Convert to fraction form
39,911,101.80/59,866,652.70 = 30,345,163.80/x - Step 3: Cross multiply
39,911,101.80x = 59,866,652.70 × 30,345,163.80 - Step 4: Simplify right side
39,911,101.80x = 1,816,663,382,339,212.50 - Step 5: Solve for x
x = 1,816,663,382,339,212.50/39,911,101.80 - Step 6: Final answer
x = 45,517,745.70
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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.