Finding the Fourth Proportional to 130,802,892.49, 196,197,816.81 and 48,915,750.65
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Solution
The fourth proportional to 130,802,892.49, 196,197,816.81 and 48,915,750.65 is: 73,371,187.00
Step by Step Solution
- Step 1: Write the proportion equation
130,802,892.49 : 196,197,816.81 = 48,915,750.65 : x - Step 2: Convert to fraction form
130,802,892.49/196,197,816.81 = 48,915,750.65/x - Step 3: Cross multiply
130,802,892.49x = 196,197,816.81 × 48,915,750.65 - Step 4: Simplify right side
130,802,892.49x = 9,597,163,485,152,338 - Step 5: Solve for x
x = 9,597,163,485,152,338/130,802,892.49 - Step 6: Final answer
x = 73,371,187.00
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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.