Finding the Fourth Proportional to 248,531,821.80, 372,797,535.66 and 66,778,999.80
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Solution
The fourth proportional to 248,531,821.80, 372,797,535.66 and 66,778,999.80 is: 100,168,446.76
Step by Step Solution
- Step 1: Write the proportion equation
248,531,821.80 : 372,797,535.66 = 66,778,999.80 : x - Step 2: Convert to fraction form
248,531,821.80/372,797,535.66 = 66,778,999.80/x - Step 3: Cross multiply
248,531,821.80x = 372,797,535.66 × 66,778,999.80 - Step 4: Simplify right side
248,531,821.80x = 24,895,046,559,279,632 - Step 5: Solve for x
x = 24,895,046,559,279,632/248,531,821.80 - Step 6: Final answer
x = 100,168,446.76
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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.