Finding the Fourth Proportional to 87,506,329.86, 120,761,170.11 and 48,350,629.62
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Solution
The fourth proportional to 87,506,329.86, 120,761,170.11 and 48,350,629.62 is: 66,725,214.25
Step by Step Solution
- Step 1: Write the proportion equation
87,506,329.86 : 120,761,170.11 = 48,350,629.62 : x - Step 2: Convert to fraction form
87,506,329.86/120,761,170.11 = 48,350,629.62/x - Step 3: Cross multiply
87,506,329.86x = 120,761,170.11 × 48,350,629.62 - Step 4: Simplify right side
87,506,329.86x = 5,838,878,608,466,424 - Step 5: Solve for x
x = 5,838,878,608,466,424/87,506,329.86 - Step 6: Final answer
x = 66,725,214.25
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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.