Finding the Fourth Proportional to 173,887,476.30, 260,831,214.45 and 105,863,028.30
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Solution
The fourth proportional to 173,887,476.30, 260,831,214.45 and 105,863,028.30 is: 158,794,542.45
Step by Step Solution
- Step 1: Write the proportion equation
173,887,476.30 : 260,831,214.45 = 105,863,028.30 : x - Step 2: Convert to fraction form
173,887,476.30/260,831,214.45 = 105,863,028.30/x - Step 3: Cross multiply
173,887,476.30x = 260,831,214.45 × 105,863,028.30 - Step 4: Simplify right side
173,887,476.30x = 27,612,382,236,843,716 - Step 5: Solve for x
x = 27,612,382,236,843,716/173,887,476.30 - Step 6: Final answer
x = 158,794,542.45
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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.