Finding the Fourth Proportional to 99,652,122.20, 149,478,183.30 and 53,735,619.80
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Solution
The fourth proportional to 99,652,122.20, 149,478,183.30 and 53,735,619.80 is: 80,603,429.70
Step by Step Solution
- Step 1: Write the proportion equation
99,652,122.20 : 149,478,183.30 = 53,735,619.80 : x - Step 2: Convert to fraction form
99,652,122.20/149,478,183.30 = 53,735,619.80/x - Step 3: Cross multiply
99,652,122.20x = 149,478,183.30 × 53,735,619.80 - Step 4: Simplify right side
99,652,122.20x = 8,032,302,826,203,510 - Step 5: Solve for x
x = 8,032,302,826,203,510/99,652,122.20 - Step 6: Final answer
x = 80,603,429.70
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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.