Finding the Fourth Proportional to 129,458,356.17, 194,264,147.76 and 47,634,694.90
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Solution
The fourth proportional to 129,458,356.17, 194,264,147.76 and 47,634,694.90 is: 71,480,232.58
Step by Step Solution
- Step 1: Write the proportion equation
129,458,356.17 : 194,264,147.76 = 47,634,694.90 : x - Step 2: Convert to fraction form
129,458,356.17/194,264,147.76 = 47,634,694.90/x - Step 3: Cross multiply
129,458,356.17x = 194,264,147.76 × 47,634,694.90 - Step 4: Simplify right side
129,458,356.17x = 9,253,713,408,556,118 - Step 5: Solve for x
x = 9,253,713,408,556,118/129,458,356.17 - Step 6: Final answer
x = 71,480,232.58
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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.