Finding the Fourth Proportional to 316,136,047.14, 436,272,910.09 and 173,079,423.66
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Solution
The fourth proportional to 316,136,047.14, 436,272,910.09 and 173,079,423.66 is: 238,852,432.43
Step by Step Solution
- Step 1: Write the proportion equation
316,136,047.14 : 436,272,910.09 = 173,079,423.66 : x - Step 2: Convert to fraction form
316,136,047.14/436,272,910.09 = 173,079,423.66/x - Step 3: Cross multiply
316,136,047.14x = 436,272,910.09 × 173,079,423.66 - Step 4: Simplify right side
316,136,047.14x = 75,509,863,836,848,192 - Step 5: Solve for x
x = 75,509,863,836,848,192/316,136,047.14 - Step 6: Final answer
x = 238,852,432.43
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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.