Finding the Fourth Proportional to 137,155,609.67, 189,275,236.88 and 74,431,694.01
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Solution
The fourth proportional to 137,155,609.67, 189,275,236.88 and 74,431,694.01 is: 102,716,006.65
Step by Step Solution
- Step 1: Write the proportion equation
137,155,609.67 : 189,275,236.88 = 74,431,694.01 : x - Step 2: Convert to fraction form
137,155,609.67/189,275,236.88 = 74,431,694.01/x - Step 3: Cross multiply
137,155,609.67x = 189,275,236.88 × 74,431,694.01 - Step 4: Simplify right side
137,155,609.67x = 14,088,076,514,750,270 - Step 5: Solve for x
x = 14,088,076,514,750,270/137,155,609.67 - Step 6: Final answer
x = 102,716,006.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.