Finding the Fourth Proportional to 137,460,226.76, 206,568,257.10 and 128,472,181.64
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Solution
The fourth proportional to 137,460,226.76, 206,568,257.10 and 128,472,181.64 is: 193,061,478.75
Step by Step Solution
- Step 1: Write the proportion equation
137,460,226.76 : 206,568,257.10 = 128,472,181.64 : x - Step 2: Convert to fraction form
137,460,226.76/206,568,257.10 = 128,472,181.64/x - Step 3: Cross multiply
137,460,226.76x = 206,568,257.10 × 128,472,181.64 - Step 4: Simplify right side
137,460,226.76x = 26,538,274,647,209,420 - Step 5: Solve for x
x = 26,538,274,647,209,420/137,460,226.76 - Step 6: Final answer
x = 193,061,478.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.