Finding the Fourth Proportional to 99,649,836.20, 149,474,754.30 and 97,410,348.20
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Solution
The fourth proportional to 99,649,836.20, 149,474,754.30 and 97,410,348.20 is: 146,115,522.30
Step by Step Solution
- Step 1: Write the proportion equation
99,649,836.20 : 149,474,754.30 = 97,410,348.20 : x - Step 2: Convert to fraction form
99,649,836.20/149,474,754.30 = 97,410,348.20/x - Step 3: Cross multiply
99,649,836.20x = 149,474,754.30 × 97,410,348.20 - Step 4: Simplify right side
99,649,836.20x = 14,560,387,863,472,448 - Step 5: Solve for x
x = 14,560,387,863,472,448/99,649,836.20 - Step 6: Final answer
x = 146,115,522.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.