Finding the Fourth Proportional to 160,177,352.76, 221,053,329.36 and 89,608,753.23
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Solution
The fourth proportional to 160,177,352.76, 221,053,329.36 and 89,608,753.23 is: 123,664,880.83
Step by Step Solution
- Step 1: Write the proportion equation
160,177,352.76 : 221,053,329.36 = 89,608,753.23 : x - Step 2: Convert to fraction form
160,177,352.76/221,053,329.36 = 89,608,753.23/x - Step 3: Cross multiply
160,177,352.76x = 221,053,329.36 × 89,608,753.23 - Step 4: Simplify right side
160,177,352.76x = 19,808,313,241,290,156 - Step 5: Solve for x
x = 19,808,313,241,290,156/160,177,352.76 - Step 6: Final answer
x = 123,664,880.83
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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.