Finding the Fourth Proportional to 88,571,720.60, 132,857,580.90 and 54,382,203.80
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Solution
The fourth proportional to 88,571,720.60, 132,857,580.90 and 54,382,203.80 is: 81,573,305.70
Step by Step Solution
- Step 1: Write the proportion equation
88,571,720.60 : 132,857,580.90 = 54,382,203.80 : x - Step 2: Convert to fraction form
88,571,720.60/132,857,580.90 = 54,382,203.80/x - Step 3: Cross multiply
88,571,720.60x = 132,857,580.90 × 54,382,203.80 - Step 4: Simplify right side
88,571,720.60x = 7,225,088,040,878,787 - Step 5: Solve for x
x = 7,225,088,040,878,787/88,571,720.60 - Step 6: Final answer
x = 81,573,305.70
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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.