Finding the Fourth Proportional to 99,794,601.70, 149,691,902.55 and 46,046,889.70
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Solution
The fourth proportional to 99,794,601.70, 149,691,902.55 and 46,046,889.70 is: 69,070,334.55
Step by Step Solution
- Step 1: Write the proportion equation
99,794,601.70 : 149,691,902.55 = 46,046,889.70 : x - Step 2: Convert to fraction form
99,794,601.70/149,691,902.55 = 46,046,889.70/x - Step 3: Cross multiply
99,794,601.70x = 149,691,902.55 × 46,046,889.70 - Step 4: Simplify right side
99,794,601.70x = 6,892,846,525,703,000 - Step 5: Solve for x
x = 6,892,846,525,703,000/99,794,601.70 - Step 6: Final answer
x = 69,070,334.55
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1.5x scale
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.