Finding the Fourth Proportional to 84,609,701.60, 126,715,486.80 and 84,609,701.60
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Solution
The fourth proportional to 84,609,701.60, 126,715,486.80 and 84,609,701.60 is: 126,715,486.80
Step by Step Solution
- Step 1: Write the proportion equation
84,609,701.60 : 126,715,486.80 = 84,609,701.60 : x - Step 2: Convert to fraction form
84,609,701.60/126,715,486.80 = 84,609,701.60/x - Step 3: Cross multiply
84,609,701.60x = 126,715,486.80 × 84,609,701.60 - Step 4: Simplify right side
84,609,701.60x = 10,721,359,526,246,738 - Step 5: Solve for x
x = 10,721,359,526,246,738/84,609,701.60 - Step 6: Final answer
x = 126,715,486.80
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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.