Finding the Fourth Proportional to 107,425,422.12, 148,247,103.78 and 58,532,850.12
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Solution
The fourth proportional to 107,425,422.12, 148,247,103.78 and 58,532,850.12 is: 80,775,344.75
Step by Step Solution
- Step 1: Write the proportion equation
107,425,422.12 : 148,247,103.78 = 58,532,850.12 : x - Step 2: Convert to fraction form
107,425,422.12/148,247,103.78 = 58,532,850.12/x - Step 3: Cross multiply
107,425,422.12x = 148,247,103.78 × 58,532,850.12 - Step 4: Simplify right side
107,425,422.12x = 8,677,325,506,278,825 - Step 5: Solve for x
x = 8,677,325,506,278,825/107,425,422.12 - Step 6: Final answer
x = 80,775,344.75
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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.