Finding the Fourth Proportional to 171,956,731.95, 257,969,116.49 and 49,136,159.79
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Solution
The fourth proportional to 171,956,731.95, 257,969,116.49 and 49,136,159.79 is: 73,713,960.39
Step by Step Solution
- Step 1: Write the proportion equation
171,956,731.95 : 257,969,116.49 = 49,136,159.79 : x - Step 2: Convert to fraction form
171,956,731.95/257,969,116.49 = 49,136,159.79/x - Step 3: Cross multiply
171,956,731.95x = 257,969,116.49 × 49,136,159.79 - Step 4: Simplify right side
171,956,731.95x = 12,675,611,728,492,084 - Step 5: Solve for x
x = 12,675,611,728,492,084/171,956,731.95 - Step 6: Final answer
x = 73,713,960.39
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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.