Finding the Fourth Proportional to 68,256,081.60, 102,384,122.40 and 44,069,611.20
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Solution
The fourth proportional to 68,256,081.60, 102,384,122.40 and 44,069,611.20 is: 66,104,416.80
Step by Step Solution
- Step 1: Write the proportion equation
68,256,081.60 : 102,384,122.40 = 44,069,611.20 : x - Step 2: Convert to fraction form
68,256,081.60/102,384,122.40 = 44,069,611.20/x - Step 3: Cross multiply
68,256,081.60x = 102,384,122.40 × 44,069,611.20 - Step 4: Simplify right side
68,256,081.60x = 4,512,028,467,221,211 - Step 5: Solve for x
x = 4,512,028,467,221,211/68,256,081.60 - Step 6: Final answer
x = 66,104,416.80
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1.5x scale
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.