Finding the Fourth Proportional to 62,208,549.20, 93,312,823.80 and 53,138,622.80
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Solution
The fourth proportional to 62,208,549.20, 93,312,823.80 and 53,138,622.80 is: 79,707,934.20
Step by Step Solution
- Step 1: Write the proportion equation
62,208,549.20 : 93,312,823.80 = 53,138,622.80 : x - Step 2: Convert to fraction form
62,208,549.20/93,312,823.80 = 53,138,622.80/x - Step 3: Cross multiply
62,208,549.20x = 93,312,823.80 × 53,138,622.80 - Step 4: Simplify right side
62,208,549.20x = 4,958,514,946,311,062 - Step 5: Solve for x
x = 4,958,514,946,311,062/62,208,549.20 - Step 6: Final answer
x = 79,707,934.20
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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.