Finding the Fourth Proportional to 121,129,699.56, 167,159,664.36 and 68,918,734.14
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Solution
The fourth proportional to 121,129,699.56, 167,159,664.36 and 68,918,734.14 is: 95,108,239.42
Step by Step Solution
- Step 1: Write the proportion equation
121,129,699.56 : 167,159,664.36 = 68,918,734.14 : x - Step 2: Convert to fraction form
121,129,699.56/167,159,664.36 = 68,918,734.14/x - Step 3: Cross multiply
121,129,699.56x = 167,159,664.36 × 68,918,734.14 - Step 4: Simplify right side
121,129,699.56x = 11,520,432,466,958,474 - Step 5: Solve for x
x = 11,520,432,466,958,474/121,129,699.56 - Step 6: Final answer
x = 95,108,239.42
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.