Finding the Fourth Proportional to 53,202,620.39, 73,420,431.01 and 31,170,848.00
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Solution
The fourth proportional to 53,202,620.39, 73,420,431.01 and 31,170,848.00 is: 43,016,247.66
Step by Step Solution
- Step 1: Write the proportion equation
53,202,620.39 : 73,420,431.01 = 31,170,848.00 : x - Step 2: Convert to fraction form
53,202,620.39/73,420,431.01 = 31,170,848.00/x - Step 3: Cross multiply
53,202,620.39x = 73,420,431.01 × 31,170,848.00 - Step 4: Simplify right side
53,202,620.39x = 2,288,577,094,662,167 - Step 5: Solve for x
x = 2,288,577,094,662,167/53,202,620.39 - Step 6: Final answer
x = 43,016,247.66
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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.