Finding the Fourth Proportional to 49,380,079.18, 73,769,781.98 and 31,966,418.20
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Solution
The fourth proportional to 49,380,079.18, 73,769,781.98 and 31,966,418.20 is: 47,755,202.92
Step by Step Solution
- Step 1: Write the proportion equation
49,380,079.18 : 73,769,781.98 = 31,966,418.20 : x - Step 2: Convert to fraction form
49,380,079.18/73,769,781.98 = 31,966,418.20/x - Step 3: Cross multiply
49,380,079.18x = 73,769,781.98 × 31,966,418.20 - Step 4: Simplify right side
49,380,079.18x = 2,358,155,701,295,504 - Step 5: Solve for x
x = 2,358,155,701,295,504/49,380,079.18 - Step 6: Final answer
x = 47,755,202.92
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.