Finding the Fourth Proportional to 73,766,288.80, 110,649,433.20 and 68,727,440.80
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Solution
The fourth proportional to 73,766,288.80, 110,649,433.20 and 68,727,440.80 is: 103,091,161.20
Step by Step Solution
- Step 1: Write the proportion equation
73,766,288.80 : 110,649,433.20 = 68,727,440.80 : x - Step 2: Convert to fraction form
73,766,288.80/110,649,433.20 = 68,727,440.80/x - Step 3: Cross multiply
73,766,288.80x = 110,649,433.20 × 68,727,440.80 - Step 4: Simplify right side
73,766,288.80x = 7,604,652,369,806,554 - Step 5: Solve for x
x = 7,604,652,369,806,554/73,766,288.80 - Step 6: Final answer
x = 103,091,161.20
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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.