Finding the Fourth Proportional to 215,540,277.20, 323,310,415.80 and 106,417,725.20
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Solution
The fourth proportional to 215,540,277.20, 323,310,415.80 and 106,417,725.20 is: 159,626,587.80
Step by Step Solution
- Step 1: Write the proportion equation
215,540,277.20 : 323,310,415.80 = 106,417,725.20 : x - Step 2: Convert to fraction form
215,540,277.20/323,310,415.80 = 106,417,725.20/x - Step 3: Cross multiply
215,540,277.20x = 323,310,415.80 × 106,417,725.20 - Step 4: Simplify right side
215,540,277.20x = 34,405,958,982,902,140 - Step 5: Solve for x
x = 34,405,958,982,902,140/215,540,277.20 - Step 6: Final answer
x = 159,626,587.80
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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.