Finding the Fourth Proportional to 239,224,373.26, 330,129,767.52 and 129,216,086.26
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Solution
The fourth proportional to 239,224,373.26, 330,129,767.52 and 129,216,086.26 is: 178,318,270.57
Step by Step Solution
- Step 1: Write the proportion equation
239,224,373.26 : 330,129,767.52 = 129,216,086.26 : x - Step 2: Convert to fraction form
239,224,373.26/330,129,767.52 = 129,216,086.26/x - Step 3: Cross multiply
239,224,373.26x = 330,129,767.52 × 129,216,086.26 - Step 4: Simplify right side
239,224,373.26x = 42,658,076,516,858,064 - Step 5: Solve for x
x = 42,658,076,516,858,064/239,224,373.26 - Step 6: Final answer
x = 178,318,270.57
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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.