Finding the Fourth Proportional to 75,549,458.70, 113,324,188.05 and 27,028,895.40
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Solution
The fourth proportional to 75,549,458.70, 113,324,188.05 and 27,028,895.40 is: 40,543,343.10
Step by Step Solution
- Step 1: Write the proportion equation
75,549,458.70 : 113,324,188.05 = 27,028,895.40 : x - Step 2: Convert to fraction form
75,549,458.70/113,324,188.05 = 27,028,895.40/x - Step 3: Cross multiply
75,549,458.70x = 113,324,188.05 × 27,028,895.40 - Step 4: Simplify right side
75,549,458.70x = 3,063,027,625,093,379.50 - Step 5: Solve for x
x = 3,063,027,625,093,379.50/75,549,458.70 - Step 6: Final answer
x = 40,543,343.10
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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.