Finding the Fourth Proportional to 266,468,135.40, 399,702,203.10 and 201,898,053.90
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Solution
The fourth proportional to 266,468,135.40, 399,702,203.10 and 201,898,053.90 is: 302,847,080.85
Step by Step Solution
- Step 1: Write the proportion equation
266,468,135.40 : 399,702,203.10 = 201,898,053.90 : x - Step 2: Convert to fraction form
266,468,135.40/399,702,203.10 = 201,898,053.90/x - Step 3: Cross multiply
266,468,135.40x = 399,702,203.10 × 201,898,053.90 - Step 4: Simplify right side
266,468,135.40x = 80,699,096,945,432,560 - Step 5: Solve for x
x = 80,699,096,945,432,560/266,468,135.40 - Step 6: Final answer
x = 302,847,080.85
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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.