Finding the Fourth Proportional to 77,187,227.74, 106,520,223.39 and 41,906,517.08
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Solution
The fourth proportional to 77,187,227.74, 106,520,223.39 and 41,906,517.08 is: 57,831,997.49
Step by Step Solution
- Step 1: Write the proportion equation
77,187,227.74 : 106,520,223.39 = 41,906,517.08 : x - Step 2: Convert to fraction form
77,187,227.74/106,520,223.39 = 41,906,517.08/x - Step 3: Cross multiply
77,187,227.74x = 106,520,223.39 × 41,906,517.08 - Step 4: Simplify right side
77,187,227.74x = 4,463,891,561,067,518 - Step 5: Solve for x
x = 4,463,891,561,067,518/77,187,227.74 - Step 6: Final answer
x = 57,831,997.49
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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.