Finding the Fourth Proportional to 199,591,193.80, 299,430,336.30 and 113,370,905.80
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Solution
The fourth proportional to 199,591,193.80, 299,430,336.30 and 113,370,905.80 is: 170,081,093.28
Step by Step Solution
- Step 1: Write the proportion equation
199,591,193.80 : 299,430,336.30 = 113,370,905.80 : x - Step 2: Convert to fraction form
199,591,193.80/299,430,336.30 = 113,370,905.80/x - Step 3: Cross multiply
199,591,193.80x = 299,430,336.30 × 113,370,905.80 - Step 4: Simplify right side
199,591,193.80x = 33,946,688,450,329,620 - Step 5: Solve for x
x = 33,946,688,450,329,620/199,591,193.80 - Step 6: Final answer
x = 170,081,093.28
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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.