Finding the Fourth Proportional to 47,478,897.30, 71,218,345.95 and 44,293,847.70
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Solution
The fourth proportional to 47,478,897.30, 71,218,345.95 and 44,293,847.70 is: 66,440,771.55
Step by Step Solution
- Step 1: Write the proportion equation
47,478,897.30 : 71,218,345.95 = 44,293,847.70 : x - Step 2: Convert to fraction form
47,478,897.30/71,218,345.95 = 44,293,847.70/x - Step 3: Cross multiply
47,478,897.30x = 71,218,345.95 × 44,293,847.70 - Step 4: Simplify right side
47,478,897.30x = 3,154,534,568,955,212 - Step 5: Solve for x
x = 3,154,534,568,955,212/47,478,897.30 - Step 6: Final answer
x = 66,440,771.55
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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.