Finding the Fourth Proportional to 132,889,637.80, 199,334,456.70 and 132,889,637.80
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Solution
The fourth proportional to 132,889,637.80, 199,334,456.70 and 132,889,637.80 is: 199,334,456.70
Step by Step Solution
- Step 1: Write the proportion equation
132,889,637.80 : 199,334,456.70 = 132,889,637.80 : x - Step 2: Convert to fraction form
132,889,637.80/199,334,456.70 = 132,889,637.80/x - Step 3: Cross multiply
132,889,637.80x = 199,334,456.70 × 132,889,637.80 - Step 4: Simplify right side
132,889,637.80x = 26,489,483,751,922,780 - Step 5: Solve for x
x = 26,489,483,751,922,780/132,889,637.80 - Step 6: Final answer
x = 199,334,456.70
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1.5x scale
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.