Finding the Fourth Proportional to 264,958,305.99, 397,480,630.70 and 78,231,124.21
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Solution
The fourth proportional to 264,958,305.99, 397,480,630.70 and 78,231,124.21 is: 117,359,433.12
Step by Step Solution
- Step 1: Write the proportion equation
264,958,305.99 : 397,480,630.70 = 78,231,124.21 : x - Step 2: Convert to fraction form
264,958,305.99/397,480,630.70 = 78,231,124.21/x - Step 3: Cross multiply
264,958,305.99x = 397,480,630.70 × 78,231,124.21 - Step 4: Simplify right side
264,958,305.99x = 31,095,356,591,360,836 - Step 5: Solve for x
x = 31,095,356,591,360,836/264,958,305.99 - Step 6: Final answer
x = 117,359,433.12
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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.