Finding the Fourth Proportional to 205,160,383.12, 307,798,107.36 and 82,424,886.88
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Solution
The fourth proportional to 205,160,383.12, 307,798,107.36 and 82,424,886.88 is: 123,660,444.55
Step by Step Solution
- Step 1: Write the proportion equation
205,160,383.12 : 307,798,107.36 = 82,424,886.88 : x - Step 2: Convert to fraction form
205,160,383.12/307,798,107.36 = 82,424,886.88/x - Step 3: Cross multiply
205,160,383.12x = 307,798,107.36 × 82,424,886.88 - Step 4: Simplify right side
205,160,383.12x = 25,370,224,181,026,096 - Step 5: Solve for x
x = 25,370,224,181,026,096/205,160,383.12 - Step 6: Final answer
x = 123,660,444.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.