Finding the Fourth Proportional to 146,450,119.48, 202,087,807.83 and 86,901,154.88
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Solution
The fourth proportional to 146,450,119.48, 202,087,807.83 and 86,901,154.88 is: 119,915,667.87
Step by Step Solution
- Step 1: Write the proportion equation
146,450,119.48 : 202,087,807.83 = 86,901,154.88 : x - Step 2: Convert to fraction form
146,450,119.48/202,087,807.83 = 86,901,154.88/x - Step 3: Cross multiply
146,450,119.48x = 202,087,807.83 × 86,901,154.88 - Step 4: Simplify right side
146,450,119.48x = 17,561,663,887,306,540 - Step 5: Solve for x
x = 17,561,663,887,306,540/146,450,119.48 - Step 6: Final answer
x = 119,915,667.87
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1.5x scale
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.