Finding the Fourth Proportional to 87,273,981.20, 130,889,975.16 and 26,690,232.08
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Solution
The fourth proportional to 87,273,981.20, 130,889,975.16 and 26,690,232.08 is: 40,028,926.90
Step by Step Solution
- Step 1: Write the proportion equation
87,273,981.20 : 130,889,975.16 = 26,690,232.08 : x - Step 2: Convert to fraction form
87,273,981.20/130,889,975.16 = 26,690,232.08/x - Step 3: Cross multiply
87,273,981.20x = 130,889,975.16 × 26,690,232.08 - Step 4: Simplify right side
87,273,981.20x = 3,493,483,813,965,835 - Step 5: Solve for x
x = 3,493,483,813,965,835/87,273,981.20 - Step 6: Final answer
x = 40,028,926.90
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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.