Finding the Fourth Proportional to 125,797,672.20, 188,584,315.20 and 49,102,862.70
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Solution
The fourth proportional to 125,797,672.20, 188,584,315.20 and 49,102,862.70 is: 73,610,501.49
Step by Step Solution
- Step 1: Write the proportion equation
125,797,672.20 : 188,584,315.20 = 49,102,862.70 : x - Step 2: Convert to fraction form
125,797,672.20/188,584,315.20 = 49,102,862.70/x - Step 3: Cross multiply
125,797,672.20x = 188,584,315.20 × 49,102,862.70 - Step 4: Simplify right side
125,797,672.20x = 9,260,029,736,639,124 - Step 5: Solve for x
x = 9,260,029,736,639,124/125,797,672.20 - Step 6: Final answer
x = 73,610,501.49
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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.