Finding the Fourth Proportional to 135,148,914, 186,659,466.12 and 91,613,267.28
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Solution
The fourth proportional to 135,148,914, 186,659,466.12 and 91,613,267.28 is: 126,530,676.82
Step by Step Solution
- Step 1: Write the proportion equation
135,148,914 : 186,659,466.12 = 91,613,267.28 : x - Step 2: Convert to fraction form
135,148,914/186,659,466.12 = 91,613,267.28/x - Step 3: Cross multiply
135,148,914x = 186,659,466.12 × 91,613,267.28 - Step 4: Simplify right side
135,148,914x = 17,100,483,559,993,666 - Step 5: Solve for x
x = 17,100,483,559,993,666/135,148,914 - Step 6: Final answer
x = 126,530,676.82
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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.