Finding the Fourth Proportional to 364,033,163.40, 546,049,745.10 and 133,954,639.80
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Solution
The fourth proportional to 364,033,163.40, 546,049,745.10 and 133,954,639.80 is: 200,931,959.70
Step by Step Solution
- Step 1: Write the proportion equation
364,033,163.40 : 546,049,745.10 = 133,954,639.80 : x - Step 2: Convert to fraction form
364,033,163.40/546,049,745.10 = 133,954,639.80/x - Step 3: Cross multiply
364,033,163.40x = 546,049,745.10 × 133,954,639.80 - Step 4: Simplify right side
364,033,163.40x = 73,145,896,917,752,320 - Step 5: Solve for x
x = 73,145,896,917,752,320/364,033,163.40 - Step 6: Final answer
x = 200,931,959.70
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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.