Finding the Fourth Proportional to 238,022,369.58, 356,870,559.99 and 121,211,613.18
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Solution
The fourth proportional to 238,022,369.58, 356,870,559.99 and 121,211,613.18 is: 181,734,415.76
Step by Step Solution
- Step 1: Write the proportion equation
238,022,369.58 : 356,870,559.99 = 121,211,613.18 : x - Step 2: Convert to fraction form
238,022,369.58/356,870,559.99 = 121,211,613.18/x - Step 3: Cross multiply
238,022,369.58x = 356,870,559.99 × 121,211,613.18 - Step 4: Simplify right side
238,022,369.58x = 43,256,856,273,291,200 - Step 5: Solve for x
x = 43,256,856,273,291,200/238,022,369.58 - Step 6: Final answer
x = 181,734,415.76
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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.