Finding the Fourth Proportional to 79,290,580.40, 118,939,095.80 and 37,770,112.08
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Solution
The fourth proportional to 79,290,580.40, 118,939,095.80 and 37,770,112.08 is: 56,656,704.45
Step by Step Solution
- Step 1: Write the proportion equation
79,290,580.40 : 118,939,095.80 = 37,770,112.08 : x - Step 2: Convert to fraction form
79,290,580.40/118,939,095.80 = 37,770,112.08/x - Step 3: Cross multiply
79,290,580.40x = 118,939,095.80 × 37,770,112.08 - Step 4: Simplify right side
79,290,580.40x = 4,492,342,979,059,857 - Step 5: Solve for x
x = 4,492,342,979,059,857/79,290,580.40 - Step 6: Final answer
x = 56,656,704.45
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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.