Finding the Fourth Proportional to 68,441,511.76, 94,397,350.80 and 49,575,522.28
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Solution
The fourth proportional to 68,441,511.76, 94,397,350.80 and 49,575,522.28 is: 68,376,601.38
Step by Step Solution
- Step 1: Write the proportion equation
68,441,511.76 : 94,397,350.80 = 49,575,522.28 : x - Step 2: Convert to fraction form
68,441,511.76/94,397,350.80 = 49,575,522.28/x - Step 3: Cross multiply
68,441,511.76x = 94,397,350.80 × 49,575,522.28 - Step 4: Simplify right side
68,441,511.76x = 4,679,797,967,758,376 - Step 5: Solve for x
x = 4,679,797,967,758,376/68,441,511.76 - Step 6: Final answer
x = 68,376,601.38
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1.5x scale
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.