Finding the Fourth Proportional to 128,262,149, 192,278,016.36 and 62,646,162.08
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Solution
The fourth proportional to 128,262,149, 192,278,016.36 and 62,646,162.08 is: 93,912,973.32
Step by Step Solution
- Step 1: Write the proportion equation
128,262,149 : 192,278,016.36 = 62,646,162.08 : x - Step 2: Convert to fraction form
128,262,149/192,278,016.36 = 62,646,162.08/x - Step 3: Cross multiply
128,262,149x = 192,278,016.36 × 62,646,162.08 - Step 4: Simplify right side
128,262,149x = 12,045,479,777,309,452 - Step 5: Solve for x
x = 12,045,479,777,309,452/128,262,149 - Step 6: Final answer
x = 93,912,973.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.