Finding the Fourth Proportional to 206,275,913.11, 284,734,803.98 and 122,643,844.19
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Solution
The fourth proportional to 206,275,913.11, 284,734,803.98 and 122,643,844.19 is: 169,292,528.67
Step by Step Solution
- Step 1: Write the proportion equation
206,275,913.11 : 284,734,803.98 = 122,643,844.19 : x - Step 2: Convert to fraction form
206,275,913.11/284,734,803.98 = 122,643,844.19/x - Step 3: Cross multiply
206,275,913.11x = 284,734,803.98 × 122,643,844.19 - Step 4: Simplify right side
206,275,913.11x = 34,920,970,933,676,252 - Step 5: Solve for x
x = 34,920,970,933,676,252/206,275,913.11 - Step 6: Final answer
x = 169,292,528.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.