Finding the Fourth Proportional to 113,772,622.70, 170,658,934.05 and 49,202,541.20
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Solution
The fourth proportional to 113,772,622.70, 170,658,934.05 and 49,202,541.20 is: 73,803,811.80
Step by Step Solution
- Step 1: Write the proportion equation
113,772,622.70 : 170,658,934.05 = 49,202,541.20 : x - Step 2: Convert to fraction form
113,772,622.70/170,658,934.05 = 49,202,541.20/x - Step 3: Cross multiply
113,772,622.70x = 170,658,934.05 × 49,202,541.20 - Step 4: Simplify right side
113,772,622.70x = 8,396,853,233,743,209 - Step 5: Solve for x
x = 8,396,853,233,743,209/113,772,622.70 - Step 6: Final answer
x = 73,803,811.80
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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.