Finding the Fourth Proportional to 79,425,760.68, 119,070,407.05 and 27,603,630.42
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Solution
The fourth proportional to 79,425,760.68, 119,070,407.05 and 27,603,630.42 is: 41,381,731.59
Step by Step Solution
- Step 1: Write the proportion equation
79,425,760.68 : 119,070,407.05 = 27,603,630.42 : x - Step 2: Convert to fraction form
79,425,760.68/119,070,407.05 = 27,603,630.42/x - Step 3: Cross multiply
79,425,760.68x = 119,070,407.05 × 27,603,630.42 - Step 4: Simplify right side
79,425,760.68x = 3,286,775,510,167,162.50 - Step 5: Solve for x
x = 3,286,775,510,167,162.50/79,425,760.68 - Step 6: Final answer
x = 41,381,731.59
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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.