Finding the Fourth Proportional to 81,264,314.09, 112,139,232.58 and 44,597,247.05
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Solution
The fourth proportional to 81,264,314.09, 112,139,232.58 and 44,597,247.05 is: 61,541,171.12
Step by Step Solution
- Step 1: Write the proportion equation
81,264,314.09 : 112,139,232.58 = 44,597,247.05 : x - Step 2: Convert to fraction form
81,264,314.09/112,139,232.58 = 44,597,247.05/x - Step 3: Cross multiply
81,264,314.09x = 112,139,232.58 × 44,597,247.05 - Step 4: Simplify right side
81,264,314.09x = 5,001,101,059,367,668 - Step 5: Solve for x
x = 5,001,101,059,367,668/81,264,314.09 - Step 6: Final answer
x = 61,541,171.12
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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.