Finding the Fourth Proportional to 53,271,362.99, 73,526,765.63 and 31,251,936.21
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Solution
The fourth proportional to 53,271,362.99, 73,526,765.63 and 31,251,936.21 is: 43,134,878.86
Step by Step Solution
- Step 1: Write the proportion equation
53,271,362.99 : 73,526,765.63 = 31,251,936.21 : x - Step 2: Convert to fraction form
53,271,362.99/73,526,765.63 = 31,251,936.21/x - Step 3: Cross multiply
53,271,362.99x = 73,526,765.63 × 31,251,936.21 - Step 4: Simplify right side
53,271,362.99x = 2,297,853,789,040,121 - Step 5: Solve for x
x = 2,297,853,789,040,121/53,271,362.99 - Step 6: Final answer
x = 43,134,878.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.