Finding the Fourth Proportional to 120,965,624.70, 181,448,437.05 and 40,186,592.70
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Solution
The fourth proportional to 120,965,624.70, 181,448,437.05 and 40,186,592.70 is: 60,279,889.05
Step by Step Solution
- Step 1: Write the proportion equation
120,965,624.70 : 181,448,437.05 = 40,186,592.70 : x - Step 2: Convert to fraction form
120,965,624.70/181,448,437.05 = 40,186,592.70/x - Step 3: Cross multiply
120,965,624.70x = 181,448,437.05 × 40,186,592.70 - Step 4: Simplify right side
120,965,624.70x = 7,291,794,435,779,941 - Step 5: Solve for x
x = 7,291,794,435,779,941/120,965,624.70 - Step 6: Final answer
x = 60,279,889.05
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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.