Finding the Fourth Proportional to 68,628,232.08, 102,910,955.76 and 40,974,702.48
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Solution
The fourth proportional to 68,628,232.08, 102,910,955.76 and 40,974,702.48 is: 61,443,310.81
Step by Step Solution
- Step 1: Write the proportion equation
68,628,232.08 : 102,910,955.76 = 40,974,702.48 : x - Step 2: Convert to fraction form
68,628,232.08/102,910,955.76 = 40,974,702.48/x - Step 3: Cross multiply
68,628,232.08x = 102,910,955.76 × 40,974,702.48 - Step 4: Simplify right side
68,628,232.08x = 4,216,745,794,198,442 - Step 5: Solve for x
x = 4,216,745,794,198,442/68,628,232.08 - Step 6: Final answer
x = 61,443,310.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.