Finding the Fourth Proportional to 110,720,171.20, 166,080,256.80 and 29,941,139.20
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Solution
The fourth proportional to 110,720,171.20, 166,080,256.80 and 29,941,139.20 is: 44,911,708.80
Step by Step Solution
- Step 1: Write the proportion equation
110,720,171.20 : 166,080,256.80 = 29,941,139.20 : x - Step 2: Convert to fraction form
110,720,171.20/166,080,256.80 = 29,941,139.20/x - Step 3: Cross multiply
110,720,171.20x = 166,080,256.80 × 29,941,139.20 - Step 4: Simplify right side
110,720,171.20x = 4,972,632,087,220,547 - Step 5: Solve for x
x = 4,972,632,087,220,547/110,720,171.20 - Step 6: Final answer
x = 44,911,708.80
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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.