Finding the Fourth Proportional to 146,450,156.87, 202,087,859.40 and 86,901,192.29
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Solution
The fourth proportional to 146,450,156.87, 202,087,859.40 and 86,901,192.29 is: 119,915,719.48
Step by Step Solution
- Step 1: Write the proportion equation
146,450,156.87 : 202,087,859.40 = 86,901,192.29 : x - Step 2: Convert to fraction form
146,450,156.87/202,087,859.40 = 86,901,192.29/x - Step 3: Cross multiply
146,450,156.87x = 202,087,859.40 × 86,901,192.29 - Step 4: Simplify right side
146,450,156.87x = 17,561,675,929,193,886 - Step 5: Solve for x
x = 17,561,675,929,193,886/146,450,156.87 - Step 6: Final answer
x = 119,915,719.48
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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.