Finding the Fourth Proportional to 89,800,138.30, 134,700,207.45 and 68,276,777.80
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Solution
The fourth proportional to 89,800,138.30, 134,700,207.45 and 68,276,777.80 is: 102,415,166.70
Step by Step Solution
- Step 1: Write the proportion equation
89,800,138.30 : 134,700,207.45 = 68,276,777.80 : x - Step 2: Convert to fraction form
89,800,138.30/134,700,207.45 = 68,276,777.80/x - Step 3: Cross multiply
89,800,138.30x = 134,700,207.45 × 68,276,777.80 - Step 4: Simplify right side
89,800,138.30x = 9,196,896,133,677,554 - Step 5: Solve for x
x = 9,196,896,133,677,554/89,800,138.30 - Step 6: Final answer
x = 102,415,166.70
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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.