Finding the Fourth Proportional to 315,660,691.98, 435,594,183.57 and 174,523,752.72
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Solution
The fourth proportional to 315,660,691.98, 435,594,183.57 and 174,523,752.72 is: 240,833,063.83
Step by Step Solution
- Step 1: Write the proportion equation
315,660,691.98 : 435,594,183.57 = 174,523,752.72 : x - Step 2: Convert to fraction form
315,660,691.98/435,594,183.57 = 174,523,752.72/x - Step 3: Cross multiply
315,660,691.98x = 435,594,183.57 × 174,523,752.72 - Step 4: Simplify right side
315,660,691.98x = 76,021,531,579,640,960 - Step 5: Solve for x
x = 76,021,531,579,640,960/315,660,691.98 - Step 6: Final answer
x = 240,833,063.83
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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.