Finding the Fourth Proportional to 81,182,760.66, 112,048,485.35 and 48,161,338.79
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Solution
The fourth proportional to 81,182,760.66, 112,048,485.35 and 48,161,338.79 is: 66,472,302.98
Step by Step Solution
- Step 1: Write the proportion equation
81,182,760.66 : 112,048,485.35 = 48,161,338.79 : x - Step 2: Convert to fraction form
81,182,760.66/112,048,485.35 = 48,161,338.79/x - Step 3: Cross multiply
81,182,760.66x = 112,048,485.35 × 48,161,338.79 - Step 4: Simplify right side
81,182,760.66x = 5,396,405,063,046,652 - Step 5: Solve for x
x = 5,396,405,063,046,652/81,182,760.66 - Step 6: Final answer
x = 66,472,302.98
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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.