Finding the Fourth Proportional to 69,942,167.20, 104,913,250.80 and 44,432,999.20
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Solution
The fourth proportional to 69,942,167.20, 104,913,250.80 and 44,432,999.20 is: 66,649,498.80
Step by Step Solution
- Step 1: Write the proportion equation
69,942,167.20 : 104,913,250.80 = 44,432,999.20 : x - Step 2: Convert to fraction form
69,942,167.20/104,913,250.80 = 44,432,999.20/x - Step 3: Cross multiply
69,942,167.20x = 104,913,250.80 × 44,432,999.20 - Step 4: Simplify right side
69,942,167.20x = 4,661,610,388,865,800 - Step 5: Solve for x
x = 4,661,610,388,865,800/69,942,167.20 - Step 6: Final answer
x = 66,649,498.80
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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.