Finding the Fourth Proportional to 79,945,837.18, 119,900,626.87 and 36,197,715.28
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Solution
The fourth proportional to 79,945,837.18, 119,900,626.87 and 36,197,715.28 is: 54,288,364.55
Step by Step Solution
- Step 1: Write the proportion equation
79,945,837.18 : 119,900,626.87 = 36,197,715.28 : x - Step 2: Convert to fraction form
79,945,837.18/119,900,626.87 = 36,197,715.28/x - Step 3: Cross multiply
79,945,837.18x = 119,900,626.87 × 36,197,715.28 - Step 4: Simplify right side
79,945,837.18x = 4,340,128,753,152,789 - Step 5: Solve for x
x = 4,340,128,753,152,789/79,945,837.18 - Step 6: Final answer
x = 54,288,364.55
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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.