Finding the Fourth Proportional to 84,700,694.70, 126,811,893.60 and 84,700,694.70
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Solution
The fourth proportional to 84,700,694.70, 126,811,893.60 and 84,700,694.70 is: 126,811,893.60
Step by Step Solution
- Step 1: Write the proportion equation
84,700,694.70 : 126,811,893.60 = 84,700,694.70 : x - Step 2: Convert to fraction form
84,700,694.70/126,811,893.60 = 84,700,694.70/x - Step 3: Cross multiply
84,700,694.70x = 126,811,893.60 × 84,700,694.70 - Step 4: Simplify right side
84,700,694.70x = 10,741,055,484,142,484 - Step 5: Solve for x
x = 10,741,055,484,142,484/84,700,694.70 - Step 6: Final answer
x = 126,811,893.60
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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.