Finding the Fourth Proportional to 43,611,203.40, 65,416,805.10 and 14,889,769.80
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Solution
The fourth proportional to 43,611,203.40, 65,416,805.10 and 14,889,769.80 is: 22,334,654.70
Step by Step Solution
- Step 1: Write the proportion equation
43,611,203.40 : 65,416,805.10 = 14,889,769.80 : x - Step 2: Convert to fraction form
43,611,203.40/65,416,805.10 = 14,889,769.80/x - Step 3: Cross multiply
43,611,203.40x = 65,416,805.10 × 14,889,769.80 - Step 4: Simplify right side
43,611,203.40x = 974,041,168,990,466 - Step 5: Solve for x
x = 974,041,168,990,466/43,611,203.40 - Step 6: Final answer
x = 22,334,654.70
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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.