Finding the Fourth Proportional to 84,378,871.40, 126,573,178.68 and 32,563,742.94
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Solution
The fourth proportional to 84,378,871.40, 126,573,178.68 and 32,563,742.94 is: 48,847,494.47
Step by Step Solution
- Step 1: Write the proportion equation
84,378,871.40 : 126,573,178.68 = 32,563,742.94 : x - Step 2: Convert to fraction form
84,378,871.40/126,573,178.68 = 32,563,742.94/x - Step 3: Cross multiply
84,378,871.40x = 126,573,178.68 × 32,563,742.94 - Step 4: Simplify right side
84,378,871.40x = 4,121,696,453,634,209 - Step 5: Solve for x
x = 4,121,696,453,634,209/84,378,871.40 - Step 6: Final answer
x = 48,847,494.47
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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.