Finding the Fourth Proportional to 190,052,995.09, 262,273,133.28 and 103,132,867.09
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Solution
The fourth proportional to 190,052,995.09, 262,273,133.28 and 103,132,867.09 is: 142,323,356.61
Step by Step Solution
- Step 1: Write the proportion equation
190,052,995.09 : 262,273,133.28 = 103,132,867.09 : x - Step 2: Convert to fraction form
190,052,995.09/262,273,133.28 = 103,132,867.09/x - Step 3: Cross multiply
190,052,995.09x = 262,273,133.28 × 103,132,867.09 - Step 4: Simplify right side
190,052,995.09x = 27,048,980,195,844,096 - Step 5: Solve for x
x = 27,048,980,195,844,096/190,052,995.09 - Step 6: Final answer
x = 142,323,356.61
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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.