Finding the Fourth Proportional to 132,887,716.80, 199,331,575.20 and 97,055,908.80
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Solution
The fourth proportional to 132,887,716.80, 199,331,575.20 and 97,055,908.80 is: 145,583,863.20
Step by Step Solution
- Step 1: Write the proportion equation
132,887,716.80 : 199,331,575.20 = 97,055,908.80 : x - Step 2: Convert to fraction form
132,887,716.80/199,331,575.20 = 97,055,908.80/x - Step 3: Cross multiply
132,887,716.80x = 199,331,575.20 × 97,055,908.80 - Step 4: Simplify right side
132,887,716.80x = 19,346,307,183,571,540 - Step 5: Solve for x
x = 19,346,307,183,571,540/132,887,716.80 - Step 6: Final answer
x = 145,583,863.20
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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.