Finding the Fourth Proportional to 73,811,278.60, 110,716,917.90 and 73,386,125.80
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Solution
The fourth proportional to 73,811,278.60, 110,716,917.90 and 73,386,125.80 is: 110,079,188.70
Step by Step Solution
- Step 1: Write the proportion equation
73,811,278.60 : 110,716,917.90 = 73,386,125.80 : x - Step 2: Convert to fraction form
73,811,278.60/110,716,917.90 = 73,386,125.80/x - Step 3: Cross multiply
73,811,278.60x = 110,716,917.90 × 73,386,125.80 - Step 4: Simplify right side
73,811,278.60x = 8,125,085,665,197,672 - Step 5: Solve for x
x = 8,125,085,665,197,672/73,811,278.60 - Step 6: Final answer
x = 110,079,188.70
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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.