Finding the Fourth Proportional to 129,536,877.08, 194,107,596.45 and 76,910,917.38
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Solution
The fourth proportional to 129,536,877.08, 194,107,596.45 and 76,910,917.38 is: 115,248,982.76
Step by Step Solution
- Step 1: Write the proportion equation
129,536,877.08 : 194,107,596.45 = 76,910,917.38 : x - Step 2: Convert to fraction form
129,536,877.08/194,107,596.45 = 76,910,917.38/x - Step 3: Cross multiply
129,536,877.08x = 194,107,596.45 × 76,910,917.38 - Step 4: Simplify right side
129,536,877.08x = 14,928,993,313,396,330 - Step 5: Solve for x
x = 14,928,993,313,396,330/129,536,877.08 - Step 6: Final answer
x = 115,248,982.76
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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.