Finding the Fourth Proportional to 192,755,946.87, 288,888,276.47 and 90,294,122.07
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Solution
The fourth proportional to 192,755,946.87, 288,888,276.47 and 90,294,122.07 is: 135,326,114.31
Step by Step Solution
- Step 1: Write the proportion equation
192,755,946.87 : 288,888,276.47 = 90,294,122.07 : x - Step 2: Convert to fraction form
192,755,946.87/288,888,276.47 = 90,294,122.07/x - Step 3: Cross multiply
192,755,946.87x = 288,888,276.47 × 90,294,122.07 - Step 4: Simplify right side
192,755,946.87x = 26,084,913,299,722,612 - Step 5: Solve for x
x = 26,084,913,299,722,612/192,755,946.87 - Step 6: Final answer
x = 135,326,114.31
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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.