Finding the Fourth Proportional to 190,052,964.09, 262,273,090.46 and 103,132,836.09
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Solution
The fourth proportional to 190,052,964.09, 262,273,090.46 and 103,132,836.09 is: 142,323,313.81
Step by Step Solution
- Step 1: Write the proportion equation
190,052,964.09 : 262,273,090.46 = 103,132,836.09 : x - Step 2: Convert to fraction form
190,052,964.09/262,273,090.46 = 103,132,836.09/x - Step 3: Cross multiply
190,052,964.09x = 262,273,090.46 × 103,132,836.09 - Step 4: Simplify right side
190,052,964.09x = 27,048,967,648,713,260 - Step 5: Solve for x
x = 27,048,967,648,713,260/190,052,964.09 - Step 6: Final answer
x = 142,323,313.81
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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.