Finding the Fourth Proportional to 127,493,464.29, 175,935,783.83 and 75,299,397.09
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Solution
The fourth proportional to 127,493,464.29, 175,935,783.83 and 75,299,397.09 is: 103,910,098.63
Step by Step Solution
- Step 1: Write the proportion equation
127,493,464.29 : 175,935,783.83 = 75,299,397.09 : x - Step 2: Convert to fraction form
127,493,464.29/175,935,783.83 = 75,299,397.09/x - Step 3: Cross multiply
127,493,464.29x = 175,935,783.83 × 75,299,397.09 - Step 4: Simplify right side
127,493,464.29x = 13,247,858,448,579,074 - Step 5: Solve for x
x = 13,247,858,448,579,074/127,493,464.29 - Step 6: Final answer
x = 103,910,098.63
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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.