Finding the Fourth Proportional to 107,956,782.30, 161,935,173.45 and 97,543,163.10
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Solution
The fourth proportional to 107,956,782.30, 161,935,173.45 and 97,543,163.10 is: 146,314,744.65
Step by Step Solution
- Step 1: Write the proportion equation
107,956,782.30 : 161,935,173.45 = 97,543,163.10 : x - Step 2: Convert to fraction form
107,956,782.30/161,935,173.45 = 97,543,163.10/x - Step 3: Cross multiply
107,956,782.30x = 161,935,173.45 × 97,543,163.10 - Step 4: Simplify right side
107,956,782.30x = 15,795,669,035,460,138 - Step 5: Solve for x
x = 15,795,669,035,460,138/107,956,782.30 - Step 6: Final answer
x = 146,314,744.65
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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.