Finding the Fourth Proportional to 195,764,569.92, 270,044,923.68 and 117,427,279.68
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Solution
The fourth proportional to 195,764,569.92, 270,044,923.68 and 117,427,279.68 is: 161,983,553.98
Step by Step Solution
- Step 1: Write the proportion equation
195,764,569.92 : 270,044,923.68 = 117,427,279.68 : x - Step 2: Convert to fraction form
195,764,569.92/270,044,923.68 = 117,427,279.68/x - Step 3: Cross multiply
195,764,569.92x = 270,044,923.68 × 117,427,279.68 - Step 4: Simplify right side
195,764,569.92x = 31,710,640,779,135,616 - Step 5: Solve for x
x = 31,710,640,779,135,616/195,764,569.92 - Step 6: Final answer
x = 161,983,553.98
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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.