Finding the Fourth Proportional to 278,676,550.08, 417,965,945.40 and 106,163,715.60
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Solution
The fourth proportional to 278,676,550.08, 417,965,945.40 and 106,163,715.60 is: 159,226,952.34
Step by Step Solution
- Step 1: Write the proportion equation
278,676,550.08 : 417,965,945.40 = 106,163,715.60 : x - Step 2: Convert to fraction form
278,676,550.08/417,965,945.40 = 106,163,715.60/x - Step 3: Cross multiply
278,676,550.08x = 417,965,945.40 × 106,163,715.60 - Step 4: Simplify right side
278,676,550.08x = 44,372,817,757,930,720 - Step 5: Solve for x
x = 44,372,817,757,930,720/278,676,550.08 - Step 6: Final answer
x = 159,226,952.34
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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.