Finding the Fourth Proportional to 132,118,525.80, 198,177,788.70 and 132,118,525.80
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Solution
The fourth proportional to 132,118,525.80, 198,177,788.70 and 132,118,525.80 is: 198,177,788.70
Step by Step Solution
- Step 1: Write the proportion equation
132,118,525.80 : 198,177,788.70 = 132,118,525.80 : x - Step 2: Convert to fraction form
132,118,525.80/198,177,788.70 = 132,118,525.80/x - Step 3: Cross multiply
132,118,525.80x = 198,177,788.70 × 132,118,525.80 - Step 4: Simplify right side
132,118,525.80x = 26,182,957,289,347,896 - Step 5: Solve for x
x = 26,182,957,289,347,896/132,118,525.80 - Step 6: Final answer
x = 198,177,788.70
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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.