Finding the Fourth Proportional to 49,728,159.30, 74,592,238.95 and 36,291,231.30
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Solution
The fourth proportional to 49,728,159.30, 74,592,238.95 and 36,291,231.30 is: 54,436,846.95
Step by Step Solution
- Step 1: Write the proportion equation
49,728,159.30 : 74,592,238.95 = 36,291,231.30 : x - Step 2: Convert to fraction form
49,728,159.30/74,592,238.95 = 36,291,231.30/x - Step 3: Cross multiply
49,728,159.30x = 74,592,238.95 × 36,291,231.30 - Step 4: Simplify right side
49,728,159.30x = 2,707,044,196,919,319 - Step 5: Solve for x
x = 2,707,044,196,919,319/49,728,159.30 - Step 6: Final answer
x = 54,436,846.95
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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.