Finding the Fourth Proportional to 135,900,296.20, 190,797,891.80 and 135,900,296.20
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Solution
The fourth proportional to 135,900,296.20, 190,797,891.80 and 135,900,296.20 is: 190,797,891.80
Step by Step Solution
- Step 1: Write the proportion equation
135,900,296.20 : 190,797,891.80 = 135,900,296.20 : x - Step 2: Convert to fraction form
135,900,296.20/190,797,891.80 = 135,900,296.20/x - Step 3: Cross multiply
135,900,296.20x = 190,797,891.80 × 135,900,296.20 - Step 4: Simplify right side
135,900,296.20x = 25,929,490,009,955,552 - Step 5: Solve for x
x = 25,929,490,009,955,552/135,900,296.20 - Step 6: Final answer
x = 190,797,891.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.