Finding the Fourth Proportional to 49,580,519.52, 74,142,472.08 and 47,161,872.48
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Solution
The fourth proportional to 49,580,519.52, 74,142,472.08 and 47,161,872.48 is: 70,525,638.85
Step by Step Solution
- Step 1: Write the proportion equation
49,580,519.52 : 74,142,472.08 = 47,161,872.48 : x - Step 2: Convert to fraction form
49,580,519.52/74,142,472.08 = 47,161,872.48/x - Step 3: Cross multiply
49,580,519.52x = 74,142,472.08 × 47,161,872.48 - Step 4: Simplify right side
49,580,519.52x = 3,496,697,813,588,920 - Step 5: Solve for x
x = 3,496,697,813,588,920/49,580,519.52 - Step 6: Final answer
x = 70,525,638.85
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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.