Finding the Fourth Proportional to 158,186,585.19, 237,193,378.49 and 125,606,438.99
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Solution
The fourth proportional to 158,186,585.19, 237,193,378.49 and 125,606,438.99 is: 188,340,974.61
Step by Step Solution
- Step 1: Write the proportion equation
158,186,585.19 : 237,193,378.49 = 125,606,438.99 : x - Step 2: Convert to fraction form
158,186,585.19/237,193,378.49 = 125,606,438.99/x - Step 3: Cross multiply
158,186,585.19x = 237,193,378.49 × 125,606,438.99 - Step 4: Simplify right side
158,186,585.19x = 29,793,015,624,136,164 - Step 5: Solve for x
x = 29,793,015,624,136,164/158,186,585.19 - Step 6: Final answer
x = 188,340,974.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.