Finding the Fourth Proportional to 236,747,124.80, 355,120,687.20 and 194,231,844.80
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Solution
The fourth proportional to 236,747,124.80, 355,120,687.20 and 194,231,844.80 is: 291,347,767.20
Step by Step Solution
- Step 1: Write the proportion equation
236,747,124.80 : 355,120,687.20 = 194,231,844.80 : x - Step 2: Convert to fraction form
236,747,124.80/355,120,687.20 = 194,231,844.80/x - Step 3: Cross multiply
236,747,124.80x = 355,120,687.20 × 194,231,844.80 - Step 4: Simplify right side
236,747,124.80x = 68,975,746,201,499,752 - Step 5: Solve for x
x = 68,975,746,201,499,752/236,747,124.80 - Step 6: Final answer
x = 291,347,767.20
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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.