Finding the Fourth Proportional to 150,273,379,859.28, 207,377,397,833.26 and 81,684,792,976.08
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Solution
The fourth proportional to 150,273,379,859.28, 207,377,397,833.26 and 81,684,792,976.08 is: 112,725,086,943.48
Step by Step Solution
- Step 1: Write the proportion equation
150,273,379,859.28 : 207,377,397,833.26 = 81,684,792,976.08 : x - Step 2: Convert to fraction form
150,273,379,859.28/207,377,397,833.26 = 81,684,792,976.08/x - Step 3: Cross multiply
150,273,379,859.28x = 207,377,397,833.26 × 81,684,792,976.08 - Step 4: Simplify right side
150,273,379,859.28x = 16,939,579,809,928,025,473,024 - Step 5: Solve for x
x = 16,939,579,809,928,025,473,024/150,273,379,859.28 - Step 6: Final answer
x = 112,725,086,943.48
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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.