Finding the Fourth Proportional to 45,743,778.21, 63,126,414.26 and 25,117,224.40
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Solution
The fourth proportional to 45,743,778.21, 63,126,414.26 and 25,117,224.40 is: 34,661,769.85
Step by Step Solution
- Step 1: Write the proportion equation
45,743,778.21 : 63,126,414.26 = 25,117,224.40 : x - Step 2: Convert to fraction form
45,743,778.21/63,126,414.26 = 25,117,224.40/x - Step 3: Cross multiply
45,743,778.21x = 63,126,414.26 × 25,117,224.40 - Step 4: Simplify right side
45,743,778.21x = 1,585,560,312,535,779.75 - Step 5: Solve for x
x = 1,585,560,312,535,779.75/45,743,778.21 - Step 6: Final answer
x = 34,661,769.85
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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.