Finding the Fourth Proportional to 150,165,326.24, 207,228,150.24 and 81,487,694.24
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Solution
The fourth proportional to 150,165,326.24, 207,228,150.24 and 81,487,694.24 is: 112,453,018.07
Step by Step Solution
- Step 1: Write the proportion equation
150,165,326.24 : 207,228,150.24 = 81,487,694.24 : x - Step 2: Convert to fraction form
150,165,326.24/207,228,150.24 = 81,487,694.24/x - Step 3: Cross multiply
150,165,326.24x = 207,228,150.24 × 81,487,694.24 - Step 4: Simplify right side
150,165,326.24x = 16,886,544,144,677,902 - Step 5: Solve for x
x = 16,886,544,144,677,902/150,165,326.24 - Step 6: Final answer
x = 112,453,018.07
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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.