Finding the Fourth Proportional to 67,630,009.20, 93,329,593.57 and 36,690,178.49
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Solution
The fourth proportional to 67,630,009.20, 93,329,593.57 and 36,690,178.49 is: 50,632,544.44
Step by Step Solution
- Step 1: Write the proportion equation
67,630,009.20 : 93,329,593.57 = 36,690,178.49 : x - Step 2: Convert to fraction form
67,630,009.20/93,329,593.57 = 36,690,178.49/x - Step 3: Cross multiply
67,630,009.20x = 93,329,593.57 × 36,690,178.49 - Step 4: Simplify right side
67,630,009.20x = 3,424,279,446,482,456 - Step 5: Solve for x
x = 3,424,279,446,482,456/67,630,009.20 - Step 6: Final answer
x = 50,632,544.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.