Finding the Fourth Proportional to 99,170,926.16, 136,872,120.84 and 82,624,810.64
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Solution
The fourth proportional to 99,170,926.16, 136,872,120.84 and 82,624,810.64 is: 114,035,771.41
Step by Step Solution
- Step 1: Write the proportion equation
99,170,926.16 : 136,872,120.84 = 82,624,810.64 : x - Step 2: Convert to fraction form
99,170,926.16/136,872,120.84 = 82,624,810.64/x - Step 3: Cross multiply
99,170,926.16x = 136,872,120.84 × 82,624,810.64 - Step 4: Simplify right side
99,170,926.16x = 11,309,033,066,300,198 - Step 5: Solve for x
x = 11,309,033,066,300,198/99,170,926.16 - Step 6: Final answer
x = 114,035,771.41
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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.