Finding the Fourth Proportional to 248,788,379.53, 343,452,259.38 and 154,732,844.18
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Solution
The fourth proportional to 248,788,379.53, 343,452,259.38 and 154,732,844.18 is: 213,608,630.09
Step by Step Solution
- Step 1: Write the proportion equation
248,788,379.53 : 343,452,259.38 = 154,732,844.18 : x - Step 2: Convert to fraction form
248,788,379.53/343,452,259.38 = 154,732,844.18/x - Step 3: Cross multiply
248,788,379.53x = 343,452,259.38 × 154,732,844.18 - Step 4: Simplify right side
248,788,379.53x = 53,143,344,932,115,328 - Step 5: Solve for x
x = 53,143,344,932,115,328/248,788,379.53 - Step 6: Final answer
x = 213,608,630.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.