Finding the Fourth Proportional to 126,028,037.70, 189,042,056.55 and 49,325,573.70
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Solution
The fourth proportional to 126,028,037.70, 189,042,056.55 and 49,325,573.70 is: 73,988,360.55
Step by Step Solution
- Step 1: Write the proportion equation
126,028,037.70 : 189,042,056.55 = 49,325,573.70 : x - Step 2: Convert to fraction form
126,028,037.70/189,042,056.55 = 49,325,573.70/x - Step 3: Cross multiply
126,028,037.70x = 189,042,056.55 × 49,325,573.70 - Step 4: Simplify right side
126,028,037.70x = 9,324,607,892,756,594 - Step 5: Solve for x
x = 9,324,607,892,756,594/126,028,037.70 - Step 6: Final answer
x = 73,988,360.55
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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.