Finding the Fourth Proportional to 207,189,234.05, 285,911,102.57 and 117,872,768.48
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Solution
The fourth proportional to 207,189,234.05, 285,911,102.57 and 117,872,768.48 is: 162,658,708.37
Step by Step Solution
- Step 1: Write the proportion equation
207,189,234.05 : 285,911,102.57 = 117,872,768.48 : x - Step 2: Convert to fraction form
207,189,234.05/285,911,102.57 = 117,872,768.48/x - Step 3: Cross multiply
207,189,234.05x = 285,911,102.57 × 117,872,768.48 - Step 4: Simplify right side
207,189,234.05x = 33,701,133,197,076,220 - Step 5: Solve for x
x = 33,701,133,197,076,220/207,189,234.05 - Step 6: Final answer
x = 162,658,708.37
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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.