Finding the Fourth Proportional to 91,379,432.24, 126,102,440.04 and 52,220,760.56
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Solution
The fourth proportional to 91,379,432.24, 126,102,440.04 and 52,220,760.56 is: 72,063,977.26
Step by Step Solution
- Step 1: Write the proportion equation
91,379,432.24 : 126,102,440.04 = 52,220,760.56 : x - Step 2: Convert to fraction form
91,379,432.24/126,102,440.04 = 52,220,760.56/x - Step 3: Cross multiply
91,379,432.24x = 126,102,440.04 × 52,220,760.56 - Step 4: Simplify right side
91,379,432.24x = 6,585,165,327,360,597 - Step 5: Solve for x
x = 6,585,165,327,360,597/91,379,432.24 - Step 6: Final answer
x = 72,063,977.26
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.