Finding the Fourth Proportional to 138,133,390.40, 207,274,735.20 and 61,468,251.20
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Solution
The fourth proportional to 138,133,390.40, 207,274,735.20 and 61,468,251.20 is: 92,235,595.27
Step by Step Solution
- Step 1: Write the proportion equation
138,133,390.40 : 207,274,735.20 = 61,468,251.20 : x - Step 2: Convert to fraction form
138,133,390.40/207,274,735.20 = 61,468,251.20/x - Step 3: Cross multiply
138,133,390.40x = 207,274,735.20 × 61,468,251.20 - Step 4: Simplify right side
138,133,390.40x = 12,740,815,490,687,082 - Step 5: Solve for x
x = 12,740,815,490,687,082/138,133,390.40 - Step 6: Final answer
x = 92,235,595.27
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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.