Finding the Fourth Proportional to 195,863,609.52, 270,291,772.22 and 107,755,717.05
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Solution
The fourth proportional to 195,863,609.52, 270,291,772.22 and 107,755,717.05 is: 148,702,884.62
Step by Step Solution
- Step 1: Write the proportion equation
195,863,609.52 : 270,291,772.22 = 107,755,717.05 : x - Step 2: Convert to fraction form
195,863,609.52/270,291,772.22 = 107,755,717.05/x - Step 3: Cross multiply
195,863,609.52x = 270,291,772.22 × 107,755,717.05 - Step 4: Simplify right side
195,863,609.52x = 29,125,483,727,742,588 - Step 5: Solve for x
x = 29,125,483,727,742,588/195,863,609.52 - Step 6: Final answer
x = 148,702,884.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.