Finding the Fourth Proportional to 248,998,036.24, 343,646,436.36 and 207,108,197.20
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Solution
The fourth proportional to 248,998,036.24, 343,646,436.36 and 207,108,197.20 is: 285,833,555.09
Step by Step Solution
- Step 1: Write the proportion equation
248,998,036.24 : 343,646,436.36 = 207,108,197.20 : x - Step 2: Convert to fraction form
248,998,036.24/343,646,436.36 = 207,108,197.20/x - Step 3: Cross multiply
248,998,036.24x = 343,646,436.36 × 207,108,197.20 - Step 4: Simplify right side
248,998,036.24x = 71,171,993,908,724,128 - Step 5: Solve for x
x = 71,171,993,908,724,128/248,998,036.24 - Step 6: Final answer
x = 285,833,555.09
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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.