Finding the Fourth Proportional to 67,921,069.36, 93,732,755.16 and 36,982,931.44
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Solution
The fourth proportional to 67,921,069.36, 93,732,755.16 and 36,982,931.44 is: 51,037,359.84
Step by Step Solution
- Step 1: Write the proportion equation
67,921,069.36 : 93,732,755.16 = 36,982,931.44 : x - Step 2: Convert to fraction form
67,921,069.36/93,732,755.16 = 36,982,931.44/x - Step 3: Cross multiply
67,921,069.36x = 93,732,755.16 × 36,982,931.44 - Step 4: Simplify right side
67,921,069.36x = 3,466,512,057,764,586 - Step 5: Solve for x
x = 3,466,512,057,764,586/67,921,069.36 - Step 6: Final answer
x = 51,037,359.84
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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.