Finding the Fourth Proportional to 186,624,406.80, 279,936,610.20 and 65,440,112.40
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Solution
The fourth proportional to 186,624,406.80, 279,936,610.20 and 65,440,112.40 is: 98,160,168.60
Step by Step Solution
- Step 1: Write the proportion equation
186,624,406.80 : 279,936,610.20 = 65,440,112.40 : x - Step 2: Convert to fraction form
186,624,406.80/279,936,610.20 = 65,440,112.40/x - Step 3: Cross multiply
186,624,406.80x = 279,936,610.20 × 65,440,112.40 - Step 4: Simplify right side
186,624,406.80x = 18,319,083,236,362,984 - Step 5: Solve for x
x = 18,319,083,236,362,984/186,624,406.80 - Step 6: Final answer
x = 98,160,168.60
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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.