Finding the Fourth Proportional to 207,344,344.23, 311,062,906.26 and 77,953,075.56
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Solution
The fourth proportional to 207,344,344.23, 311,062,906.26 and 77,953,075.56 is: 116,947,054.07
Step by Step Solution
- Step 1: Write the proportion equation
207,344,344.23 : 311,062,906.26 = 77,953,075.56 : x - Step 2: Convert to fraction form
207,344,344.23/311,062,906.26 = 77,953,075.56/x - Step 3: Cross multiply
207,344,344.23x = 311,062,906.26 × 77,953,075.56 - Step 4: Simplify right side
207,344,344.23x = 24,248,310,235,598,976 - Step 5: Solve for x
x = 24,248,310,235,598,976/207,344,344.23 - Step 6: Final answer
x = 116,947,054.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.