Finding the Fourth Proportional to 102,574,363.20, 153,861,544.80 and 30,770,779.20
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Solution
The fourth proportional to 102,574,363.20, 153,861,544.80 and 30,770,779.20 is: 46,156,168.80
Step by Step Solution
- Step 1: Write the proportion equation
102,574,363.20 : 153,861,544.80 = 30,770,779.20 : x - Step 2: Convert to fraction form
102,574,363.20/153,861,544.80 = 30,770,779.20/x - Step 3: Cross multiply
102,574,363.20x = 153,861,544.80 × 30,770,779.20 - Step 4: Simplify right side
102,574,363.20x = 4,734,439,622,411,708 - Step 5: Solve for x
x = 4,734,439,622,411,708/102,574,363.20 - Step 6: Final answer
x = 46,156,168.80
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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.