Finding the Fourth Proportional to 258,160,116.57, 356,250,594.81 and 140,682,942.99
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Solution
The fourth proportional to 258,160,116.57, 356,250,594.81 and 140,682,942.99 is: 194,136,812.40
Step by Step Solution
- Step 1: Write the proportion equation
258,160,116.57 : 356,250,594.81 = 140,682,942.99 : x - Step 2: Convert to fraction form
258,160,116.57/356,250,594.81 = 140,682,942.99/x - Step 3: Cross multiply
258,160,116.57x = 356,250,594.81 × 140,682,942.99 - Step 4: Simplify right side
258,160,116.57x = 50,118,382,119,808,824 - Step 5: Solve for x
x = 50,118,382,119,808,824/258,160,116.57 - Step 6: Final answer
x = 194,136,812.40
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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.