Finding the Fourth Proportional to 195,609,952.80, 293,414,929.20 and 138,214,324.80
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Solution
The fourth proportional to 195,609,952.80, 293,414,929.20 and 138,214,324.80 is: 207,321,487.20
Step by Step Solution
- Step 1: Write the proportion equation
195,609,952.80 : 293,414,929.20 = 138,214,324.80 : x - Step 2: Convert to fraction form
195,609,952.80/293,414,929.20 = 138,214,324.80/x - Step 3: Cross multiply
195,609,952.80x = 293,414,929.20 × 138,214,324.80 - Step 4: Simplify right side
195,609,952.80x = 40,554,146,325,617,808 - Step 5: Solve for x
x = 40,554,146,325,617,808/195,609,952.80 - Step 6: Final answer
x = 207,321,487.20
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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.