Finding the Fourth Proportional to 192,780,505.74, 266,037,412.91 and 104,674,673.82
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Solution
The fourth proportional to 192,780,505.74, 266,037,412.91 and 104,674,673.82 is: 144,451,220.90
Step by Step Solution
- Step 1: Write the proportion equation
192,780,505.74 : 266,037,412.91 = 104,674,673.82 : x - Step 2: Convert to fraction form
192,780,505.74/266,037,412.91 = 104,674,673.82/x - Step 3: Cross multiply
192,780,505.74x = 266,037,412.91 × 104,674,673.82 - Step 4: Simplify right side
192,780,505.74x = 27,847,379,420,745,176 - Step 5: Solve for x
x = 27,847,379,420,745,176/192,780,505.74 - Step 6: Final answer
x = 144,451,220.90
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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.