Finding the Fourth Proportional to 215,539,043.10, 323,512,964.10 and 133,409,486.76
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Solution
The fourth proportional to 215,539,043.10, 323,512,964.10 and 133,409,486.76 is: 200,240,744.69
Step by Step Solution
- Step 1: Write the proportion equation
215,539,043.10 : 323,512,964.10 = 133,409,486.76 : x - Step 2: Convert to fraction form
215,539,043.10/323,512,964.10 = 133,409,486.76/x - Step 3: Cross multiply
215,539,043.10x = 323,512,964.10 × 133,409,486.76 - Step 4: Simplify right side
215,539,043.10x = 43,159,698,500,787,312 - Step 5: Solve for x
x = 43,159,698,500,787,312/215,539,043.10 - Step 6: Final answer
x = 200,240,744.69
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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.