Finding the Fourth Proportional to 75,664,219.20, 113,496,328.80 and 37,400,467.20
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Solution
The fourth proportional to 75,664,219.20, 113,496,328.80 and 37,400,467.20 is: 56,100,700.80
Step by Step Solution
- Step 1: Write the proportion equation
75,664,219.20 : 113,496,328.80 = 37,400,467.20 : x - Step 2: Convert to fraction form
75,664,219.20/113,496,328.80 = 37,400,467.20/x - Step 3: Cross multiply
75,664,219.20x = 113,496,328.80 × 37,400,467.20 - Step 4: Simplify right side
75,664,219.20x = 4,244,815,722,604,815.50 - Step 5: Solve for x
x = 4,244,815,722,604,815.50/75,664,219.20 - Step 6: Final answer
x = 56,100,700.80
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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.