Finding the Fourth Proportional to 127,434,079.40, 191,074,236.26 and 48,655,730.79
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Solution
The fourth proportional to 127,434,079.40, 191,074,236.26 and 48,655,730.79 is: 72,954,241.47
Step by Step Solution
- Step 1: Write the proportion equation
127,434,079.40 : 191,074,236.26 = 48,655,730.79 : x - Step 2: Convert to fraction form
127,434,079.40/191,074,236.26 = 48,655,730.79/x - Step 3: Cross multiply
127,434,079.40x = 191,074,236.26 × 48,655,730.79 - Step 4: Simplify right side
127,434,079.40x = 9,296,856,600,128,138 - Step 5: Solve for x
x = 9,296,856,600,128,138/127,434,079.40 - Step 6: Final answer
x = 72,954,241.47
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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.