Finding the Fourth Proportional to 146,435,433.36, 202,080,922.92 and 81,245,181.84
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Solution
The fourth proportional to 146,435,433.36, 202,080,922.92 and 81,245,181.84 is: 112,118,364.74
Step by Step Solution
- Step 1: Write the proportion equation
146,435,433.36 : 202,080,922.92 = 81,245,181.84 : x - Step 2: Convert to fraction form
146,435,433.36/202,080,922.92 = 81,245,181.84/x - Step 3: Cross multiply
146,435,433.36x = 202,080,922.92 × 81,245,181.84 - Step 4: Simplify right side
146,435,433.36x = 16,418,101,329,030,424 - Step 5: Solve for x
x = 16,418,101,329,030,424/146,435,433.36 - Step 6: Final answer
x = 112,118,364.74
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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.