Finding the Fourth Proportional to 45,397,905.06, 68,096,408.82 and 20,798,854.12
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Solution
The fourth proportional to 45,397,905.06, 68,096,408.82 and 20,798,854.12 is: 31,198,075.58
Step by Step Solution
- Step 1: Write the proportion equation
45,397,905.06 : 68,096,408.82 = 20,798,854.12 : x - Step 2: Convert to fraction form
45,397,905.06/68,096,408.82 = 20,798,854.12/x - Step 3: Cross multiply
45,397,905.06x = 68,096,408.82 × 20,798,854.12 - Step 4: Simplify right side
45,397,905.06x = 1,416,327,273,143,061.25 - Step 5: Solve for x
x = 1,416,327,273,143,061.25/45,397,905.06 - Step 6: Final answer
x = 31,198,075.58
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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.