Finding the Fourth Proportional to 201,964,136.30, 302,834,230.05 and 86,929,102.70
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Solution
The fourth proportional to 201,964,136.30, 302,834,230.05 and 86,929,102.70 is: 130,345,458.20
Step by Step Solution
- Step 1: Write the proportion equation
201,964,136.30 : 302,834,230.05 = 86,929,102.70 : x - Step 2: Convert to fraction form
201,964,136.30/302,834,230.05 = 86,929,102.70/x - Step 3: Cross multiply
201,964,136.30x = 302,834,230.05 × 86,929,102.70 - Step 4: Simplify right side
201,964,136.30x = 26,325,107,885,091,880 - Step 5: Solve for x
x = 26,325,107,885,091,880/201,964,136.30 - Step 6: Final answer
x = 130,345,458.20
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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.