Finding the Fourth Proportional to 68,899,939.84, 103,346,473.92 and 25,765,971.84
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Solution
The fourth proportional to 68,899,939.84, 103,346,473.92 and 25,765,971.84 is: 38,647,672.89
Step by Step Solution
- Step 1: Write the proportion equation
68,899,939.84 : 103,346,473.92 = 25,765,971.84 : x - Step 2: Convert to fraction form
68,899,939.84/103,346,473.92 = 25,765,971.84/x - Step 3: Cross multiply
68,899,939.84x = 103,346,473.92 × 25,765,971.84 - Step 4: Simplify right side
68,899,939.84x = 2,662,822,336,786,014.50 - Step 5: Solve for x
x = 2,662,822,336,786,014.50/68,899,939.84 - Step 6: Final answer
x = 38,647,672.89
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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.