Finding the Fourth Proportional to 68,638,182.37, 94,720,368.20 and 37,276,011.88
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Solution
The fourth proportional to 68,638,182.37, 94,720,368.20 and 37,276,011.88 is: 51,440,720.72
Step by Step Solution
- Step 1: Write the proportion equation
68,638,182.37 : 94,720,368.20 = 37,276,011.88 : x - Step 2: Convert to fraction form
68,638,182.37/94,720,368.20 = 37,276,011.88/x - Step 3: Cross multiply
68,638,182.37x = 94,720,368.20 × 37,276,011.88 - Step 4: Simplify right side
68,638,182.37x = 3,530,797,569,877,992.50 - Step 5: Solve for x
x = 3,530,797,569,877,992.50/68,638,182.37 - Step 6: Final answer
x = 51,440,720.72
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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.