Finding the Fourth Proportional to 66,541,245.60, 99,811,868.40 and 58,731,031.20
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Solution
The fourth proportional to 66,541,245.60, 99,811,868.40 and 58,731,031.20 is: 88,096,546.80
Step by Step Solution
- Step 1: Write the proportion equation
66,541,245.60 : 99,811,868.40 = 58,731,031.20 : x - Step 2: Convert to fraction form
66,541,245.60/99,811,868.40 = 58,731,031.20/x - Step 3: Cross multiply
66,541,245.60x = 99,811,868.40 × 58,731,031.20 - Step 4: Simplify right side
66,541,245.60x = 5,862,053,957,130,695 - Step 5: Solve for x
x = 5,862,053,957,130,695/66,541,245.60 - Step 6: Final answer
x = 88,096,546.80
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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.