Finding the Fourth Proportional to 198,734,367.94, 298,133,907.40 and 58,688,990.68
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Solution
The fourth proportional to 198,734,367.94, 298,133,907.40 and 58,688,990.68 is: 88,043,041.04
Step by Step Solution
- Step 1: Write the proportion equation
198,734,367.94 : 298,133,907.40 = 58,688,990.68 : x - Step 2: Convert to fraction form
198,734,367.94/298,133,907.40 = 58,688,990.68/x - Step 3: Cross multiply
198,734,367.94x = 298,133,907.40 × 58,688,990.68 - Step 4: Simplify right side
198,734,367.94x = 17,497,178,112,790,582 - Step 5: Solve for x
x = 17,497,178,112,790,582/198,734,367.94 - Step 6: Final answer
x = 88,043,041.04
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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.