Finding the Fourth Proportional to 102,609,353.26, 141,603,198.60 and 58,555,475.02
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Solution
The fourth proportional to 102,609,353.26, 141,603,198.60 and 58,555,475.02 is: 80,807,862.98
Step by Step Solution
- Step 1: Write the proportion equation
102,609,353.26 : 141,603,198.60 = 58,555,475.02 : x - Step 2: Convert to fraction form
102,609,353.26/141,603,198.60 = 58,555,475.02/x - Step 3: Cross multiply
102,609,353.26x = 141,603,198.60 × 58,555,475.02 - Step 4: Simplify right side
102,609,353.26x = 8,291,642,558,374,399 - Step 5: Solve for x
x = 8,291,642,558,374,399/102,609,353.26 - Step 6: Final answer
x = 80,807,862.98
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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.