Finding the Fourth Proportional to 88,829,629.20, 133,244,443.80 and 74,799,586.80
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Solution
The fourth proportional to 88,829,629.20, 133,244,443.80 and 74,799,586.80 is: 112,199,380.20
Step by Step Solution
- Step 1: Write the proportion equation
88,829,629.20 : 133,244,443.80 = 74,799,586.80 : x - Step 2: Convert to fraction form
88,829,629.20/133,244,443.80 = 74,799,586.80/x - Step 3: Cross multiply
88,829,629.20x = 133,244,443.80 × 74,799,586.80 - Step 4: Simplify right side
88,829,629.20x = 9,966,629,339,635,822 - Step 5: Solve for x
x = 9,966,629,339,635,822/88,829,629.20 - Step 6: Final answer
x = 112,199,380.20
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1.5x scale
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.