Finding the Fourth Proportional to 331,243,935.68, 457,118,444.16 and 192,097,197.44
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Solution
The fourth proportional to 331,243,935.68, 457,118,444.16 and 192,097,197.44 is: 265,095,183.83
Step by Step Solution
- Step 1: Write the proportion equation
331,243,935.68 : 457,118,444.16 = 192,097,197.44 : x - Step 2: Convert to fraction form
331,243,935.68/457,118,444.16 = 192,097,197.44/x - Step 3: Cross multiply
331,243,935.68x = 457,118,444.16 × 192,097,197.44 - Step 4: Simplify right side
331,243,935.68x = 87,811,172,021,269,136 - Step 5: Solve for x
x = 87,811,172,021,269,136/331,243,935.68 - Step 6: Final answer
x = 265,095,183.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.