Finding the Fourth Proportional to 129,359,140,691.20, 193,865,266,352.84 and 100,677,192,539.60
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Solution
The fourth proportional to 129,359,140,691.20, 193,865,266,352.84 and 100,677,192,539.60 is: 150,880,800,870.02
Step by Step Solution
- Step 1: Write the proportion equation
129,359,140,691.20 : 193,865,266,352.84 = 100,677,192,539.60 : x - Step 2: Convert to fraction form
129,359,140,691.20/193,865,266,352.84 = 100,677,192,539.60/x - Step 3: Cross multiply
129,359,140,691.20x = 193,865,266,352.84 × 100,677,192,539.60 - Step 4: Simplify right side
129,359,140,691.20x = 19,517,810,747,345,710,612,480 - Step 5: Solve for x
x = 19,517,810,747,345,710,612,480/129,359,140,691.20 - Step 6: Final answer
x = 150,880,800,870.02
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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.