Finding the Fourth Proportional to 269,715,026.63, 372,206,736.87 and 145,955,703.80
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Solution
The fourth proportional to 269,715,026.63, 372,206,736.87 and 145,955,703.80 is: 201,418,871.31
Step by Step Solution
- Step 1: Write the proportion equation
269,715,026.63 : 372,206,736.87 = 145,955,703.80 : x - Step 2: Convert to fraction form
269,715,026.63/372,206,736.87 = 145,955,703.80/x - Step 3: Cross multiply
269,715,026.63x = 372,206,736.87 × 145,955,703.80 - Step 4: Simplify right side
269,715,026.63x = 54,325,696,238,962,264 - Step 5: Solve for x
x = 54,325,696,238,962,264/269,715,026.63 - Step 6: Final answer
x = 201,418,871.31
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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.