Finding the Fourth Proportional to 80,202,624.15, 110,676,757.41 and 45,394,567.05
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Solution
The fourth proportional to 80,202,624.15, 110,676,757.41 and 45,394,567.05 is: 62,642,881.56
Step by Step Solution
- Step 1: Write the proportion equation
80,202,624.15 : 110,676,757.41 = 45,394,567.05 : x - Step 2: Convert to fraction form
80,202,624.15/110,676,757.41 = 45,394,567.05/x - Step 3: Cross multiply
80,202,624.15x = 110,676,757.41 × 45,394,567.05 - Step 4: Simplify right side
80,202,624.15x = 5,024,123,485,124,829 - Step 5: Solve for x
x = 5,024,123,485,124,829/80,202,624.15 - Step 6: Final answer
x = 62,642,881.56
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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.