Finding the Fourth Proportional to 269,593,491.88, 372,038,593.86 and 145,833,786.28
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Solution
The fourth proportional to 269,593,491.88, 372,038,593.86 and 145,833,786.28 is: 201,250,395.20
Step by Step Solution
- Step 1: Write the proportion equation
269,593,491.88 : 372,038,593.86 = 145,833,786.28 : x - Step 2: Convert to fraction form
269,593,491.88/372,038,593.86 = 145,833,786.28/x - Step 3: Cross multiply
269,593,491.88x = 372,038,593.86 × 145,833,786.28 - Step 4: Simplify right side
269,593,491.88x = 54,255,796,784,890,960 - Step 5: Solve for x
x = 54,255,796,784,890,960/269,593,491.88 - Step 6: Final answer
x = 201,250,395.20
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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.