Finding the Fourth Proportional to 104,976,350.40, 157,464,525.60 and 66,429,163.20
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Solution
The fourth proportional to 104,976,350.40, 157,464,525.60 and 66,429,163.20 is: 99,643,744.80
Step by Step Solution
- Step 1: Write the proportion equation
104,976,350.40 : 157,464,525.60 = 66,429,163.20 : x - Step 2: Convert to fraction form
104,976,350.40/157,464,525.60 = 66,429,163.20/x - Step 3: Cross multiply
104,976,350.40x = 157,464,525.60 × 66,429,163.20 - Step 4: Simplify right side
104,976,350.40x = 10,460,236,669,292,978 - Step 5: Solve for x
x = 10,460,236,669,292,978/104,976,350.40 - Step 6: Final answer
x = 99,643,744.80
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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.