Finding the Fourth Proportional to 146,047,382.40, 201,544,655.04 and 79,966,680.96
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Solution
The fourth proportional to 146,047,382.40, 201,544,655.04 and 79,966,680.96 is: 110,353,618.56
Step by Step Solution
- Step 1: Write the proportion equation
146,047,382.40 : 201,544,655.04 = 79,966,680.96 : x - Step 2: Convert to fraction form
146,047,382.40/201,544,655.04 = 79,966,680.96/x - Step 3: Cross multiply
146,047,382.40x = 201,544,655.04 × 79,966,680.96 - Step 4: Simplify right side
146,047,382.40x = 16,116,857,128,776,934 - Step 5: Solve for x
x = 16,116,857,128,776,934/146,047,382.40 - Step 6: Final answer
x = 110,353,618.56
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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.