Finding the Fourth Proportional to 262,195,412.70, 393,293,119.05 and 68,090,900.70
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Solution
The fourth proportional to 262,195,412.70, 393,293,119.05 and 68,090,900.70 is: 102,136,351.05
Step by Step Solution
- Step 1: Write the proportion equation
262,195,412.70 : 393,293,119.05 = 68,090,900.70 : x - Step 2: Convert to fraction form
262,195,412.70/393,293,119.05 = 68,090,900.70/x - Step 3: Cross multiply
262,195,412.70x = 393,293,119.05 × 68,090,900.70 - Step 4: Simplify right side
262,195,412.70x = 26,779,682,715,226,832 - Step 5: Solve for x
x = 26,779,682,715,226,832/262,195,412.70 - Step 6: Final answer
x = 102,136,351.05
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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.