Finding the Fourth Proportional to 137,796,349.95, 206,694,524.93 and 129,293,293.95
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Solution
The fourth proportional to 137,796,349.95, 206,694,524.93 and 129,293,293.95 is: 193,939,940.93
Step by Step Solution
- Step 1: Write the proportion equation
137,796,349.95 : 206,694,524.93 = 129,293,293.95 : x - Step 2: Convert to fraction form
137,796,349.95/206,694,524.93 = 129,293,293.95/x - Step 3: Cross multiply
137,796,349.95x = 206,694,524.93 × 129,293,293.95 - Step 4: Simplify right side
137,796,349.95x = 26,724,215,968,983,628 - Step 5: Solve for x
x = 26,724,215,968,983,628/137,796,349.95 - Step 6: Final answer
x = 193,939,940.93
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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.