Finding the Fourth Proportional to 56,664,451.80, 85,017,672.90 and 54,564,931.80
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Solution
The fourth proportional to 56,664,451.80, 85,017,672.90 and 54,564,931.80 is: 81,867,614.99
Step by Step Solution
- Step 1: Write the proportion equation
56,664,451.80 : 85,017,672.90 = 54,564,931.80 : x - Step 2: Convert to fraction form
56,664,451.80/85,017,672.90 = 54,564,931.80/x - Step 3: Cross multiply
56,664,451.80x = 85,017,672.90 × 54,564,931.80 - Step 4: Simplify right side
56,664,451.80x = 4,638,983,523,583,208 - Step 5: Solve for x
x = 4,638,983,523,583,208/56,664,451.80 - Step 6: Final answer
x = 81,867,614.99
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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.