Finding the Fourth Proportional to 88,209,105.70, 132,313,658.55 and 84,861,027.40
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Solution
The fourth proportional to 88,209,105.70, 132,313,658.55 and 84,861,027.40 is: 127,291,541.10
Step by Step Solution
- Step 1: Write the proportion equation
88,209,105.70 : 132,313,658.55 = 84,861,027.40 : x - Step 2: Convert to fraction form
88,209,105.70/132,313,658.55 = 84,861,027.40/x - Step 3: Cross multiply
88,209,105.70x = 132,313,658.55 × 84,861,027.40 - Step 4: Simplify right side
88,209,105.70x = 11,228,273,003,605,794 - Step 5: Solve for x
x = 11,228,273,003,605,794/88,209,105.70 - Step 6: Final answer
x = 127,291,541.10
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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.