Finding the Fourth Proportional to 66,125,514.24, 99,188,133.12 and 18,256,320
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Solution
The fourth proportional to 66,125,514.24, 99,188,133.12 and 18,256,320 is: 27,384,441.83
Step by Step Solution
- Step 1: Write the proportion equation
66,125,514.24 : 99,188,133.12 = 18,256,320 : x - Step 2: Convert to fraction form
66,125,514.24/99,188,133.12 = 18,256,320/x - Step 3: Cross multiply
66,125,514.24x = 99,188,133.12 × 18,256,320 - Step 4: Simplify right side
66,125,514.24x = 1,810,810,298,441,318.50 - Step 5: Solve for x
x = 1,810,810,298,441,318.50/66,125,514.24 - Step 6: Final answer
x = 27,384,441.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.