Finding the Fourth Proportional to 243,477,303.48, 364,987,336.98 and 81,806,176.44
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Solution
The fourth proportional to 243,477,303.48, 364,987,336.98 and 81,806,176.44 is: 122,632,450.99
Step by Step Solution
- Step 1: Write the proportion equation
243,477,303.48 : 364,987,336.98 = 81,806,176.44 : x - Step 2: Convert to fraction form
243,477,303.48/364,987,336.98 = 81,806,176.44/x - Step 3: Cross multiply
243,477,303.48x = 364,987,336.98 × 81,806,176.44 - Step 4: Simplify right side
243,477,303.48x = 29,858,218,487,351,616 - Step 5: Solve for x
x = 29,858,218,487,351,616/243,477,303.48 - Step 6: Final answer
x = 122,632,450.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.