Finding the Fourth Proportional to 48,205,286.92, 66,543,654.06 and 32,545,525.84
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Solution
The fourth proportional to 48,205,286.92, 66,543,654.06 and 32,545,525.84 is: 44,926,570.32
Step by Step Solution
- Step 1: Write the proportion equation
48,205,286.92 : 66,543,654.06 = 32,545,525.84 : x - Step 2: Convert to fraction form
48,205,286.92/66,543,654.06 = 32,545,525.84/x - Step 3: Cross multiply
48,205,286.92x = 66,543,654.06 × 32,545,525.84 - Step 4: Simplify right side
48,205,286.92x = 2,165,698,212,697,751 - Step 5: Solve for x
x = 2,165,698,212,697,751/48,205,286.92 - Step 6: Final answer
x = 44,926,570.32
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1.5x scale
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.