Finding the Fourth Proportional to 129,536,874.65, 194,107,592.84 and 76,910,914.96
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Solution
The fourth proportional to 129,536,874.65, 194,107,592.84 and 76,910,914.96 is: 115,248,979.14
Step by Step Solution
- Step 1: Write the proportion equation
129,536,874.65 : 194,107,592.84 = 76,910,914.96 : x - Step 2: Convert to fraction form
129,536,874.65/194,107,592.84 = 76,910,914.96/x - Step 3: Cross multiply
129,536,874.65x = 194,107,592.84 × 76,910,914.96 - Step 4: Simplify right side
129,536,874.65x = 14,928,992,565,137,722 - Step 5: Solve for x
x = 14,928,992,565,137,722/129,536,874.65 - Step 6: Final answer
x = 115,248,979.14
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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.