Finding the Fourth Proportional to 164,727,529.98, 227,338,371.90 and 90,402,433.80
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Solution
The fourth proportional to 164,727,529.98, 227,338,371.90 and 90,402,433.80 is: 124,763,250.67
Step by Step Solution
- Step 1: Write the proportion equation
164,727,529.98 : 227,338,371.90 = 90,402,433.80 : x - Step 2: Convert to fraction form
164,727,529.98/227,338,371.90 = 90,402,433.80/x - Step 3: Cross multiply
164,727,529.98x = 227,338,371.90 × 90,402,433.80 - Step 4: Simplify right side
164,727,529.98x = 20,551,942,115,889,532 - Step 5: Solve for x
x = 20,551,942,115,889,532/164,727,529.98 - Step 6: Final answer
x = 124,763,250.67
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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.