Finding the Fourth Proportional to 207,845,808.14, 311,837,952.64 and 69,685,086.62
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Solution
The fourth proportional to 207,845,808.14, 311,837,952.64 and 69,685,086.62 is: 104,550,844.38
Step by Step Solution
- Step 1: Write the proportion equation
207,845,808.14 : 311,837,952.64 = 69,685,086.62 : x - Step 2: Convert to fraction form
207,845,808.14/311,837,952.64 = 69,685,086.62/x - Step 3: Cross multiply
207,845,808.14x = 311,837,952.64 × 69,685,086.62 - Step 4: Simplify right side
207,845,808.14x = 21,730,454,741,121,860 - Step 5: Solve for x
x = 21,730,454,741,121,860/207,845,808.14 - Step 6: Final answer
x = 104,550,844.38
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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.