Finding the Fourth Proportional to 72,580,801.70, 108,871,202.55 and 48,394,331.30
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Solution
The fourth proportional to 72,580,801.70, 108,871,202.55 and 48,394,331.30 is: 72,591,496.95
Step by Step Solution
- Step 1: Write the proportion equation
72,580,801.70 : 108,871,202.55 = 48,394,331.30 : x - Step 2: Convert to fraction form
72,580,801.70/108,871,202.55 = 48,394,331.30/x - Step 3: Cross multiply
72,580,801.70x = 108,871,202.55 × 48,394,331.30 - Step 4: Simplify right side
72,580,801.70x = 5,268,749,045,234,104 - Step 5: Solve for x
x = 5,268,749,045,234,104/72,580,801.70 - Step 6: Final answer
x = 72,591,496.95
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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.