Finding the Fourth Proportional to 321,223,944.09, 443,291,700.02 and 174,546,228.09
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Solution
The fourth proportional to 321,223,944.09, 443,291,700.02 and 174,546,228.09 is: 240,875,238.61
Step by Step Solution
- Step 1: Write the proportion equation
321,223,944.09 : 443,291,700.02 = 174,546,228.09 : x - Step 2: Convert to fraction form
321,223,944.09/443,291,700.02 = 174,546,228.09/x - Step 3: Cross multiply
321,223,944.09x = 443,291,700.02 × 174,546,228.09 - Step 4: Simplify right side
321,223,944.09x = 77,374,894,181,222,048 - Step 5: Solve for x
x = 77,374,894,181,222,048/321,223,944.09 - Step 6: Final answer
x = 240,875,238.61
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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.