Finding the Fourth Proportional to 102,574,272.70, 153,861,409.05 and 30,770,688.70
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Solution
The fourth proportional to 102,574,272.70, 153,861,409.05 and 30,770,688.70 is: 46,156,033.05
Step by Step Solution
- Step 1: Write the proportion equation
102,574,272.70 : 153,861,409.05 = 30,770,688.70 : x - Step 2: Convert to fraction form
102,574,272.70/153,861,409.05 = 30,770,688.70/x - Step 3: Cross multiply
102,574,272.70x = 153,861,409.05 × 30,770,688.70 - Step 4: Simplify right side
102,574,272.70x = 4,734,421,520,820,913 - Step 5: Solve for x
x = 4,734,421,520,820,913/102,574,272.70 - Step 6: Final answer
x = 46,156,033.05
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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.