Finding the Fourth Proportional to 211,847,339.46, 292,373,821.98 and 123,763,355.68
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Solution
The fourth proportional to 211,847,339.46, 292,373,821.98 and 123,763,355.68 is: 170,807,740.20
Step by Step Solution
- Step 1: Write the proportion equation
211,847,339.46 : 292,373,821.98 = 123,763,355.68 : x - Step 2: Convert to fraction form
211,847,339.46/292,373,821.98 = 123,763,355.68/x - Step 3: Cross multiply
211,847,339.46x = 292,373,821.98 × 123,763,355.68 - Step 4: Simplify right side
211,847,339.46x = 36,185,165,321,231,744 - Step 5: Solve for x
x = 36,185,165,321,231,744/211,847,339.46 - Step 6: Final answer
x = 170,807,740.20
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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.