Finding the Fourth Proportional to 198,277,959.87, 297,533,346.53 and 83,253,657.15
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Solution
The fourth proportional to 198,277,959.87, 297,533,346.53 and 83,253,657.15 is: 124,929,362.99
Step by Step Solution
- Step 1: Write the proportion equation
198,277,959.87 : 297,533,346.53 = 83,253,657.15 : x - Step 2: Convert to fraction form
198,277,959.87/297,533,346.53 = 83,253,657.15/x - Step 3: Cross multiply
198,277,959.87x = 297,533,346.53 × 83,253,657.15 - Step 4: Simplify right side
198,277,959.87x = 24,770,739,222,284,492 - Step 5: Solve for x
x = 24,770,739,222,284,492/198,277,959.87 - Step 6: Final answer
x = 124,929,362.99
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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.