Finding the Fourth Proportional to 87,273,981.70, 130,889,975.91 and 26,690,232.58
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Solution
The fourth proportional to 87,273,981.70, 130,889,975.91 and 26,690,232.58 is: 40,028,927.65
Step by Step Solution
- Step 1: Write the proportion equation
87,273,981.70 : 130,889,975.91 = 26,690,232.58 : x - Step 2: Convert to fraction form
87,273,981.70/130,889,975.91 = 26,690,232.58/x - Step 3: Cross multiply
87,273,981.70x = 130,889,975.91 × 26,690,232.58 - Step 4: Simplify right side
87,273,981.70x = 3,493,483,899,428,497 - Step 5: Solve for x
x = 3,493,483,899,428,497/87,273,981.70 - Step 6: Final answer
x = 40,028,927.65
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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.