Finding the Fourth Proportional to 126,048,018.20, 189,072,027.30 and 62,214,315.80
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Solution
The fourth proportional to 126,048,018.20, 189,072,027.30 and 62,214,315.80 is: 93,321,473.70
Step by Step Solution
- Step 1: Write the proportion equation
126,048,018.20 : 189,072,027.30 = 62,214,315.80 : x - Step 2: Convert to fraction form
126,048,018.20/189,072,027.30 = 62,214,315.80/x - Step 3: Cross multiply
126,048,018.20x = 189,072,027.30 × 62,214,315.80 - Step 4: Simplify right side
126,048,018.20x = 11,762,986,815,388,422 - Step 5: Solve for x
x = 11,762,986,815,388,422/126,048,018.20 - Step 6: Final answer
x = 93,321,473.70
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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.