Finding the Fourth Proportional to 73,766,286.30, 110,649,429.45 and 68,727,438.30
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Solution
The fourth proportional to 73,766,286.30, 110,649,429.45 and 68,727,438.30 is: 103,091,157.45
Step by Step Solution
- Step 1: Write the proportion equation
73,766,286.30 : 110,649,429.45 = 68,727,438.30 : x - Step 2: Convert to fraction form
73,766,286.30/110,649,429.45 = 68,727,438.30/x - Step 3: Cross multiply
73,766,286.30x = 110,649,429.45 × 68,727,438.30 - Step 4: Simplify right side
73,766,286.30x = 7,604,651,835,455,078 - Step 5: Solve for x
x = 7,604,651,835,455,078/73,766,286.30 - Step 6: Final answer
x = 103,091,157.45
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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.