Finding the Fourth Proportional to 198,624,232.74, 297,979,232.54 and 60,460,643.82
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Solution
The fourth proportional to 198,624,232.74, 297,979,232.54 and 60,460,643.82 is: 90,704,019.32
Step by Step Solution
- Step 1: Write the proportion equation
198,624,232.74 : 297,979,232.54 = 60,460,643.82 : x - Step 2: Convert to fraction form
198,624,232.74/297,979,232.54 = 60,460,643.82/x - Step 3: Cross multiply
198,624,232.74x = 297,979,232.54 × 60,460,643.82 - Step 4: Simplify right side
198,624,232.74x = 18,016,016,244,055,592 - Step 5: Solve for x
x = 18,016,016,244,055,592/198,624,232.74 - Step 6: Final answer
x = 90,704,019.32
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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.