Finding the Fourth Proportional to 163,329,339.60, 244,994,009.40 and 102,863,163.60
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Solution
The fourth proportional to 163,329,339.60, 244,994,009.40 and 102,863,163.60 is: 154,294,745.40
Step by Step Solution
- Step 1: Write the proportion equation
163,329,339.60 : 244,994,009.40 = 102,863,163.60 : x - Step 2: Convert to fraction form
163,329,339.60/244,994,009.40 = 102,863,163.60/x - Step 3: Cross multiply
163,329,339.60x = 244,994,009.40 × 102,863,163.60 - Step 4: Simplify right side
163,329,339.60x = 25,200,858,869,932,136 - Step 5: Solve for x
x = 25,200,858,869,932,136/163,329,339.60 - Step 6: Final answer
x = 154,294,745.40
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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.