Finding the Fourth Proportional to 123,210,454.44, 170,031,770.82 and 68,207,229.48
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Solution
The fourth proportional to 123,210,454.44, 170,031,770.82 and 68,207,229.48 is: 94,126,720.53
Step by Step Solution
- Step 1: Write the proportion equation
123,210,454.44 : 170,031,770.82 = 68,207,229.48 : x - Step 2: Convert to fraction form
123,210,454.44/170,031,770.82 = 68,207,229.48/x - Step 3: Cross multiply
123,210,454.44x = 170,031,770.82 × 68,207,229.48 - Step 4: Simplify right side
123,210,454.44x = 11,597,396,011,210,508 - Step 5: Solve for x
x = 11,597,396,011,210,508/123,210,454.44 - Step 6: Final answer
x = 94,126,720.53
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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.