Finding the Fourth Proportional to 203,947,030.40, 305,889,810.19 and 130,682,785.19
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Solution
The fourth proportional to 203,947,030.40, 305,889,810.19 and 130,682,785.19 is: 196,004,483.52
Step by Step Solution
- Step 1: Write the proportion equation
203,947,030.40 : 305,889,810.19 = 130,682,785.19 : x - Step 2: Convert to fraction form
203,947,030.40/305,889,810.19 = 130,682,785.19/x - Step 3: Cross multiply
203,947,030.40x = 305,889,810.19 × 130,682,785.19 - Step 4: Simplify right side
203,947,030.40x = 39,974,532,358,088,096 - Step 5: Solve for x
x = 39,974,532,358,088,096/203,947,030.40 - Step 6: Final answer
x = 196,004,483.52
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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.