Finding the Fourth Proportional to 98,784,410.14, 136,322,485.98 and 55,324,346.14
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Solution
The fourth proportional to 98,784,410.14, 136,322,485.98 and 55,324,346.14 is: 76,347,597.67
Step by Step Solution
- Step 1: Write the proportion equation
98,784,410.14 : 136,322,485.98 = 55,324,346.14 : x - Step 2: Convert to fraction form
98,784,410.14/136,322,485.98 = 55,324,346.14/x - Step 3: Cross multiply
98,784,410.14x = 136,322,485.98 × 55,324,346.14 - Step 4: Simplify right side
98,784,410.14x = 7,541,952,401,022,817 - Step 5: Solve for x
x = 7,541,952,401,022,817/98,784,410.14 - Step 6: Final answer
x = 76,347,597.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.