Finding the Fourth Proportional to 216,347,294.26, 324,518,106.78 and 52,584,575.08
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Solution
The fourth proportional to 216,347,294.26, 324,518,106.78 and 52,584,575.08 is: 78,876,173.65
Step by Step Solution
- Step 1: Write the proportion equation
216,347,294.26 : 324,518,106.78 = 52,584,575.08 : x - Step 2: Convert to fraction form
216,347,294.26/324,518,106.78 = 52,584,575.08/x - Step 3: Cross multiply
216,347,294.26x = 324,518,106.78 × 52,584,575.08 - Step 4: Simplify right side
216,347,294.26x = 17,064,646,750,792,364 - Step 5: Solve for x
x = 17,064,646,750,792,364/216,347,294.26 - Step 6: Final answer
x = 78,876,173.65
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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.