Finding the Fourth Proportional to 99,279,775.20, 148,919,662.80 and 26,496,415.20
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Solution
The fourth proportional to 99,279,775.20, 148,919,662.80 and 26,496,415.20 is: 39,744,622.80
Step by Step Solution
- Step 1: Write the proportion equation
99,279,775.20 : 148,919,662.80 = 26,496,415.20 : x - Step 2: Convert to fraction form
99,279,775.20/148,919,662.80 = 26,496,415.20/x - Step 3: Cross multiply
99,279,775.20x = 148,919,662.80 × 26,496,415.20 - Step 4: Simplify right side
99,279,775.20x = 3,945,837,216,992,795 - Step 5: Solve for x
x = 3,945,837,216,992,795/99,279,775.20 - Step 6: Final answer
x = 39,744,622.80
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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.