Finding the Fourth Proportional to 84,217,770.96, 126,338,706.97 and 25,930,380.71
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Solution
The fourth proportional to 84,217,770.96, 126,338,706.97 and 25,930,380.71 is: 38,899,281.38
Step by Step Solution
- Step 1: Write the proportion equation
84,217,770.96 : 126,338,706.97 = 25,930,380.71 : x - Step 2: Convert to fraction form
84,217,770.96/126,338,706.97 = 25,930,380.71/x - Step 3: Cross multiply
84,217,770.96x = 126,338,706.97 × 25,930,380.71 - Step 4: Simplify right side
84,217,770.96x = 3,276,010,770,141,230.50 - Step 5: Solve for x
x = 3,276,010,770,141,230.50/84,217,770.96 - Step 6: Final answer
x = 38,899,281.38
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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.