Finding the Fourth Proportional to 264,979,163.01, 397,511,885.15 and 78,251,993.31
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Solution
The fourth proportional to 264,979,163.01, 397,511,885.15 and 78,251,993.31 is: 117,390,729.99
Step by Step Solution
- Step 1: Write the proportion equation
264,979,163.01 : 397,511,885.15 = 78,251,993.31 : x - Step 2: Convert to fraction form
264,979,163.01/397,511,885.15 = 78,251,993.31/x - Step 3: Cross multiply
264,979,163.01x = 397,511,885.15 × 78,251,993.31 - Step 4: Simplify right side
264,979,163.01x = 31,106,097,377,012,028 - Step 5: Solve for x
x = 31,106,097,377,012,028/264,979,163.01 - Step 6: Final answer
x = 117,390,729.99
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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.