Finding the Fourth Proportional to 123,956,755.16, 186,051,625.90 and 64,911,515.99
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Solution
The fourth proportional to 123,956,755.16, 186,051,625.90 and 64,911,515.99 is: 97,428,277.09
Step by Step Solution
- Step 1: Write the proportion equation
123,956,755.16 : 186,051,625.90 = 64,911,515.99 : x - Step 2: Convert to fraction form
123,956,755.16/186,051,625.90 = 64,911,515.99/x - Step 3: Cross multiply
123,956,755.16x = 186,051,625.90 × 64,911,515.99 - Step 4: Simplify right side
123,956,755.16x = 12,076,893,088,480,812 - Step 5: Solve for x
x = 12,076,893,088,480,812/123,956,755.16 - Step 6: Final answer
x = 97,428,277.09
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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.