Finding the Fourth Proportional to 185,809,548.92, 256,354,415.60 and 105,332,907.09
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Solution
The fourth proportional to 185,809,548.92, 256,354,415.60 and 105,332,907.09 is: 145,323,832.90
Step by Step Solution
- Step 1: Write the proportion equation
185,809,548.92 : 256,354,415.60 = 105,332,907.09 : x - Step 2: Convert to fraction form
185,809,548.92/256,354,415.60 = 105,332,907.09/x - Step 3: Cross multiply
185,809,548.92x = 256,354,415.60 × 105,332,907.09 - Step 4: Simplify right side
185,809,548.92x = 27,002,555,839,666,544 - Step 5: Solve for x
x = 27,002,555,839,666,544/185,809,548.92 - Step 6: Final answer
x = 145,323,832.90
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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.