Finding the Fourth Proportional to 107,334,163.80, 161,001,245.70 and 100,106,566.20
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Solution
The fourth proportional to 107,334,163.80, 161,001,245.70 and 100,106,566.20 is: 150,159,849.30
Step by Step Solution
- Step 1: Write the proportion equation
107,334,163.80 : 161,001,245.70 = 100,106,566.20 : x - Step 2: Convert to fraction form
107,334,163.80/161,001,245.70 = 100,106,566.20/x - Step 3: Cross multiply
107,334,163.80x = 161,001,245.70 × 100,106,566.20 - Step 4: Simplify right side
107,334,163.80x = 16,117,281,860,949,514 - Step 5: Solve for x
x = 16,117,281,860,949,514/107,334,163.80 - Step 6: Final answer
x = 150,159,849.30
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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.