Finding the Fourth Proportional to 99,649,637.70, 149,474,456.55 and 27,846,053.70
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Solution
The fourth proportional to 99,649,637.70, 149,474,456.55 and 27,846,053.70 is: 41,769,080.55
Step by Step Solution
- Step 1: Write the proportion equation
99,649,637.70 : 149,474,456.55 = 27,846,053.70 : x - Step 2: Convert to fraction form
99,649,637.70/149,474,456.55 = 27,846,053.70/x - Step 3: Cross multiply
99,649,637.70x = 149,474,456.55 × 27,846,053.70 - Step 4: Simplify right side
99,649,637.70x = 4,162,273,743,869,617 - Step 5: Solve for x
x = 4,162,273,743,869,617/99,649,637.70 - Step 6: Final answer
x = 41,769,080.55
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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.