Finding the Fourth Proportional to 121,129,701.06, 167,159,666.43 and 68,918,735.64
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Solution
The fourth proportional to 121,129,701.06, 167,159,666.43 and 68,918,735.64 is: 95,108,241.49
Step by Step Solution
- Step 1: Write the proportion equation
121,129,701.06 : 167,159,666.43 = 68,918,735.64 : x - Step 2: Convert to fraction form
121,129,701.06/167,159,666.43 = 68,918,735.64/x - Step 3: Cross multiply
121,129,701.06x = 167,159,666.43 × 68,918,735.64 - Step 4: Simplify right side
121,129,701.06x = 11,520,432,860,359,754 - Step 5: Solve for x
x = 11,520,432,860,359,754/121,129,701.06 - Step 6: Final answer
x = 95,108,241.49
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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.