Finding the Fourth Proportional to 67,452,757.20, 93,084,827.40 and 36,512,830.80
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Solution
The fourth proportional to 67,452,757.20, 93,084,827.40 and 36,512,830.80 is: 50,387,718.66
Step by Step Solution
- Step 1: Write the proportion equation
67,452,757.20 : 93,084,827.40 = 36,512,830.80 : x - Step 2: Convert to fraction form
67,452,757.20/93,084,827.40 = 36,512,830.80/x - Step 3: Cross multiply
67,452,757.20x = 93,084,827.40 × 36,512,830.80 - Step 4: Simplify right side
67,452,757.20x = 3,398,790,552,903,404 - Step 5: Solve for x
x = 3,398,790,552,903,404/67,452,757.20 - Step 6: Final answer
x = 50,387,718.66
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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.