Finding the Fourth Proportional to 99,841,731.10, 149,750,786.85 and 27,053,997.10
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Solution
The fourth proportional to 99,841,731.10, 149,750,786.85 and 27,053,997.10 is: 40,577,795.56
Step by Step Solution
- Step 1: Write the proportion equation
99,841,731.10 : 149,750,786.85 = 27,053,997.10 : x - Step 2: Convert to fraction form
99,841,731.10/149,750,786.85 = 27,053,997.10/x - Step 3: Cross multiply
99,841,731.10x = 149,750,786.85 × 27,053,997.10 - Step 4: Simplify right side
99,841,731.10x = 4,051,357,353,162,618 - Step 5: Solve for x
x = 4,051,357,353,162,618/99,841,731.10 - Step 6: Final answer
x = 40,577,795.56
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1.5x scale
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.