Finding the Fourth Proportional to 99,649,817.20, 149,474,725.80 and 97,410,329.20
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Solution
The fourth proportional to 99,649,817.20, 149,474,725.80 and 97,410,329.20 is: 146,115,493.80
Step by Step Solution
- Step 1: Write the proportion equation
99,649,817.20 : 149,474,725.80 = 97,410,329.20 : x - Step 2: Convert to fraction form
99,649,817.20/149,474,725.80 = 97,410,329.20/x - Step 3: Cross multiply
99,649,817.20x = 149,474,725.80 × 97,410,329.20 - Step 4: Simplify right side
99,649,817.20x = 14,560,382,247,257,734 - Step 5: Solve for x
x = 14,560,382,247,257,734/99,649,817.20 - Step 6: Final answer
x = 146,115,493.80
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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.