Finding the Fourth Proportional to 132,930,420.80, 199,047,525.60 and 106,884,276.80
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Solution
The fourth proportional to 132,930,420.80, 199,047,525.60 and 106,884,276.80 is: 160,046,516.78
Step by Step Solution
- Step 1: Write the proportion equation
132,930,420.80 : 199,047,525.60 = 106,884,276.80 : x - Step 2: Convert to fraction form
132,930,420.80/199,047,525.60 = 106,884,276.80/x - Step 3: Cross multiply
132,930,420.80x = 199,047,525.60 × 106,884,276.80 - Step 4: Simplify right side
132,930,420.80x = 21,275,050,822,585,484 - Step 5: Solve for x
x = 21,275,050,822,585,484/132,930,420.80 - Step 6: Final answer
x = 160,046,516.78
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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.