Finding the Fourth Proportional to 84,081,610.20, 126,122,415.30 and 84,081,610.20
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Solution
The fourth proportional to 84,081,610.20, 126,122,415.30 and 84,081,610.20 is: 126,122,415.30
Step by Step Solution
- Step 1: Write the proportion equation
84,081,610.20 : 126,122,415.30 = 84,081,610.20 : x - Step 2: Convert to fraction form
84,081,610.20/126,122,415.30 = 84,081,610.20/x - Step 3: Cross multiply
84,081,610.20x = 126,122,415.30 × 84,081,610.20 - Step 4: Simplify right side
84,081,610.20x = 10,604,575,760,737,116 - Step 5: Solve for x
x = 10,604,575,760,737,116/84,081,610.20 - Step 6: Final answer
x = 126,122,415.30
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Similar ratio
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1.5x scale
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.