Finding the Fourth Proportional to 84,106,408.46, 126,158,770.82 and 26,598,689.42
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Solution
The fourth proportional to 84,106,408.46, 126,158,770.82 and 26,598,689.42 is: 39,897,767.88
Step by Step Solution
- Step 1: Write the proportion equation
84,106,408.46 : 126,158,770.82 = 26,598,689.42 : x - Step 2: Convert to fraction form
84,106,408.46/126,158,770.82 = 26,598,689.42/x - Step 3: Cross multiply
84,106,408.46x = 126,158,770.82 × 26,598,689.42 - Step 4: Simplify right side
84,106,408.46x = 3,355,657,962,085,841.50 - Step 5: Solve for x
x = 3,355,657,962,085,841.50/84,106,408.46 - Step 6: Final answer
x = 39,897,767.88
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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.