Finding the Fourth Proportional to 87,840,699.42, 121,220,176.74 and 48,685,004.10
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Solution
The fourth proportional to 87,840,699.42, 121,220,176.74 and 48,685,004.10 is: 67,185,312.05
Step by Step Solution
- Step 1: Write the proportion equation
87,840,699.42 : 121,220,176.74 = 48,685,004.10 : x - Step 2: Convert to fraction form
87,840,699.42/121,220,176.74 = 48,685,004.10/x - Step 3: Cross multiply
87,840,699.42x = 121,220,176.74 × 48,685,004.10 - Step 4: Simplify right side
87,840,699.42x = 5,901,604,801,589,625 - Step 5: Solve for x
x = 5,901,604,801,589,625/87,840,699.42 - Step 6: Final answer
x = 67,185,312.05
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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.