Finding the Fourth Proportional to 56,868,199.36, 78,396,492 and 40,542,331.84
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Solution
The fourth proportional to 56,868,199.36, 78,396,492 and 40,542,331.84 is: 55,890,227.39
Step by Step Solution
- Step 1: Write the proportion equation
56,868,199.36 : 78,396,492 = 40,542,331.84 : x - Step 2: Convert to fraction form
56,868,199.36/78,396,492 = 40,542,331.84/x - Step 3: Cross multiply
56,868,199.36x = 78,396,492 × 40,542,331.84 - Step 4: Simplify right side
56,868,199.36x = 3,178,376,593,755,905.50 - Step 5: Solve for x
x = 3,178,376,593,755,905.50/56,868,199.36 - Step 6: Final answer
x = 55,890,227.39
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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.