Finding the Fourth Proportional to 269,610,805.81, 372,062,101.12 and 145,851,448.69
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Solution
The fourth proportional to 269,610,805.81, 372,062,101.12 and 145,851,448.69 is: 201,274,560.52
Step by Step Solution
- Step 1: Write the proportion equation
269,610,805.81 : 372,062,101.12 = 145,851,448.69 : x - Step 2: Convert to fraction form
269,610,805.81/372,062,101.12 = 145,851,448.69/x - Step 3: Cross multiply
269,610,805.81x = 372,062,101.12 × 145,851,448.69 - Step 4: Simplify right side
269,610,805.81x = 54,265,796,450,997,272 - Step 5: Solve for x
x = 54,265,796,450,997,272/269,610,805.81 - Step 6: Final answer
x = 201,274,560.52
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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.