Finding the Fourth Proportional to 87,926,401.44, 121,198,235.04 and 69,311,184.48
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Solution
The fourth proportional to 87,926,401.44, 121,198,235.04 and 69,311,184.48 is: 95,538,917.66
Step by Step Solution
- Step 1: Write the proportion equation
87,926,401.44 : 121,198,235.04 = 69,311,184.48 : x - Step 2: Convert to fraction form
87,926,401.44/121,198,235.04 = 69,311,184.48/x - Step 3: Cross multiply
87,926,401.44x = 121,198,235.04 × 69,311,184.48 - Step 4: Simplify right side
87,926,401.44x = 8,400,393,227,507,841 - Step 5: Solve for x
x = 8,400,393,227,507,841/87,926,401.44 - Step 6: Final answer
x = 95,538,917.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.