Finding the Fourth Proportional to 121,213,872.12, 181,820,808.18 and 44,503,709.88
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Solution
The fourth proportional to 121,213,872.12, 181,820,808.18 and 44,503,709.88 is: 66,755,564.82
Step by Step Solution
- Step 1: Write the proportion equation
121,213,872.12 : 181,820,808.18 = 44,503,709.88 : x - Step 2: Convert to fraction form
121,213,872.12/181,820,808.18 = 44,503,709.88/x - Step 3: Cross multiply
121,213,872.12x = 181,820,808.18 × 44,503,709.88 - Step 4: Simplify right side
121,213,872.12x = 8,091,700,497,389,852 - Step 5: Solve for x
x = 8,091,700,497,389,852/121,213,872.12 - Step 6: Final answer
x = 66,755,564.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.