Finding the Fourth Proportional to 206,161,631.16, 308,569,537.62 and 151,559,751.48
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Solution
The fourth proportional to 206,161,631.16, 308,569,537.62 and 151,559,751.48 is: 226,844,937.99
Step by Step Solution
- Step 1: Write the proportion equation
206,161,631.16 : 308,569,537.62 = 151,559,751.48 : x - Step 2: Convert to fraction form
206,161,631.16/308,569,537.62 = 151,559,751.48/x - Step 3: Cross multiply
206,161,631.16x = 308,569,537.62 × 151,559,751.48 - Step 4: Simplify right side
206,161,631.16x = 46,766,722,435,985,712 - Step 5: Solve for x
x = 46,766,722,435,985,712/206,161,631.16 - Step 6: Final answer
x = 226,844,937.99
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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.