Finding the Fourth Proportional to 53,901,988.40, 80,863,480.20 and 15,564,753.20
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Solution
The fourth proportional to 53,901,988.40, 80,863,480.20 and 15,564,753.20 is: 23,350,161.09
Step by Step Solution
- Step 1: Write the proportion equation
53,901,988.40 : 80,863,480.20 = 15,564,753.20 : x - Step 2: Convert to fraction form
53,901,988.40/80,863,480.20 = 15,564,753.20/x - Step 3: Cross multiply
53,901,988.40x = 80,863,480.20 × 15,564,753.20 - Step 4: Simplify right side
53,901,988.40x = 1,258,620,112,206,086.75 - Step 5: Solve for x
x = 1,258,620,112,206,086.75/53,901,988.40 - Step 6: Final answer
x = 23,350,161.09
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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.