Finding the Fourth Proportional to 120,178,584.18, 180,242,650.56 and 33,896,813.26
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Solution
The fourth proportional to 120,178,584.18, 180,242,650.56 and 33,896,813.26 is: 50,838,104.89
Step by Step Solution
- Step 1: Write the proportion equation
120,178,584.18 : 180,242,650.56 = 33,896,813.26 : x - Step 2: Convert to fraction form
120,178,584.18/180,242,650.56 = 33,896,813.26/x - Step 3: Cross multiply
120,178,584.18x = 180,242,650.56 × 33,896,813.26 - Step 4: Simplify right side
120,178,584.18x = 6,109,651,467,519,754 - Step 5: Solve for x
x = 6,109,651,467,519,754/120,178,584.18 - Step 6: Final answer
x = 50,838,104.89
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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.