Finding the Fourth Proportional to 263,202,248.48, 363,230,451.36 and 145,727,575.07
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Solution
The fourth proportional to 263,202,248.48, 363,230,451.36 and 145,727,575.07 is: 201,110,336.91
Step by Step Solution
- Step 1: Write the proportion equation
263,202,248.48 : 363,230,451.36 = 145,727,575.07 : x - Step 2: Convert to fraction form
263,202,248.48/363,230,451.36 = 145,727,575.07/x - Step 3: Cross multiply
263,202,248.48x = 363,230,451.36 × 145,727,575.07 - Step 4: Simplify right side
263,202,248.48x = 52,932,692,866,458,232 - Step 5: Solve for x
x = 52,932,692,866,458,232/263,202,248.48 - Step 6: Final answer
x = 201,110,336.91
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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.