Finding the Fourth Proportional to 323,721,331.56, 485,741,419.92 and 151,173,067.68
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Solution
The fourth proportional to 323,721,331.56, 485,741,419.92 and 151,173,067.68 is: 226,834,049.50
Step by Step Solution
- Step 1: Write the proportion equation
323,721,331.56 : 485,741,419.92 = 151,173,067.68 : x - Step 2: Convert to fraction form
323,721,331.56/485,741,419.92 = 151,173,067.68/x - Step 3: Cross multiply
323,721,331.56x = 485,741,419.92 × 151,173,067.68 - Step 4: Simplify right side
323,721,331.56x = 73,431,020,548,545,472 - Step 5: Solve for x
x = 73,431,020,548,545,472/323,721,331.56 - Step 6: Final answer
x = 226,834,049.50
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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.