Finding the Fourth Proportional to 236,747,125.80, 355,120,688.70 and 194,231,845.80
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Solution
The fourth proportional to 236,747,125.80, 355,120,688.70 and 194,231,845.80 is: 291,347,768.70
Step by Step Solution
- Step 1: Write the proportion equation
236,747,125.80 : 355,120,688.70 = 194,231,845.80 : x - Step 2: Convert to fraction form
236,747,125.80/355,120,688.70 = 194,231,845.80/x - Step 3: Cross multiply
236,747,125.80x = 355,120,688.70 × 194,231,845.80 - Step 4: Simplify right side
236,747,125.80x = 68,975,746,847,968,208 - Step 5: Solve for x
x = 68,975,746,847,968,208/236,747,125.80 - Step 6: Final answer
x = 291,347,768.70
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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.