Finding the Fourth Proportional to 146,151,616.95, 201,639,572.10 and 83,382,622.83
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Solution
The fourth proportional to 146,151,616.95, 201,639,572.10 and 83,382,622.83 is: 115,039,687.82
Step by Step Solution
- Step 1: Write the proportion equation
146,151,616.95 : 201,639,572.10 = 83,382,622.83 : x - Step 2: Convert to fraction form
146,151,616.95/201,639,572.10 = 83,382,622.83/x - Step 3: Cross multiply
146,151,616.95x = 201,639,572.10 × 83,382,622.83 - Step 4: Simplify right side
146,151,616.95x = 16,813,236,388,016,890 - Step 5: Solve for x
x = 16,813,236,388,016,890/146,151,616.95 - Step 6: Final answer
x = 115,039,687.82
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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.