Finding the Fourth Proportional to 196,321,316.36, 270,935,538 and 108,215,115.62
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Solution
The fourth proportional to 196,321,316.36, 270,935,538 and 108,215,115.62 is: 149,343,541.06
Step by Step Solution
- Step 1: Write the proportion equation
196,321,316.36 : 270,935,538 = 108,215,115.62 : x - Step 2: Convert to fraction form
196,321,316.36/270,935,538 = 108,215,115.62/x - Step 3: Cross multiply
196,321,316.36x = 270,935,538 × 108,215,115.62 - Step 4: Simplify right side
196,321,316.36x = 29,319,320,570,236,904 - Step 5: Solve for x
x = 29,319,320,570,236,904/196,321,316.36 - Step 6: Final answer
x = 149,343,541.06
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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.