Finding the Fourth Proportional to 53,207,964.40, 79,811,946.60 and 53,207,964.40
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Solution
The fourth proportional to 53,207,964.40, 79,811,946.60 and 53,207,964.40 is: 79,811,946.60
Step by Step Solution
- Step 1: Write the proportion equation
53,207,964.40 : 79,811,946.60 = 53,207,964.40 : x - Step 2: Convert to fraction form
53,207,964.40/79,811,946.60 = 53,207,964.40/x - Step 3: Cross multiply
53,207,964.40x = 79,811,946.60 × 53,207,964.40 - Step 4: Simplify right side
53,207,964.40x = 4,246,631,213,387,500.50 - Step 5: Solve for x
x = 4,246,631,213,387,500.50/53,207,964.40 - Step 6: Final answer
x = 79,811,946.60
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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.