Finding the Fourth Proportional to 138,133,371.40, 207,274,706.70 and 61,468,232.20
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Solution
The fourth proportional to 138,133,371.40, 207,274,706.70 and 61,468,232.20 is: 92,235,566.77
Step by Step Solution
- Step 1: Write the proportion equation
138,133,371.40 : 207,274,706.70 = 61,468,232.20 : x - Step 2: Convert to fraction form
138,133,371.40/207,274,706.70 = 61,468,232.20/x - Step 3: Cross multiply
138,133,371.40x = 207,274,706.70 × 61,468,232.20 - Step 4: Simplify right side
138,133,371.40x = 12,740,809,800,622,496 - Step 5: Solve for x
x = 12,740,809,800,622,496/138,133,371.40 - Step 6: Final answer
x = 92,235,566.77
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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.