Finding the Fourth Proportional to 107,073,896.63, 147,762,863.09 and 58,181,324.63
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Solution
The fourth proportional to 107,073,896.63, 147,762,863.09 and 58,181,324.63 is: 80,290,709.28
Step by Step Solution
- Step 1: Write the proportion equation
107,073,896.63 : 147,762,863.09 = 58,181,324.63 : x - Step 2: Convert to fraction form
107,073,896.63/147,762,863.09 = 58,181,324.63/x - Step 3: Cross multiply
107,073,896.63x = 147,762,863.09 × 58,181,324.63 - Step 4: Simplify right side
107,073,896.63x = 8,597,039,105,697,536 - Step 5: Solve for x
x = 8,597,039,105,697,536/107,073,896.63 - Step 6: Final answer
x = 80,290,709.28
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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.