Finding the Fourth Proportional to 157,465,452.60, 236,198,178.90 and 48,307,471.20
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Solution
The fourth proportional to 157,465,452.60, 236,198,178.90 and 48,307,471.20 is: 72,461,206.80
Step by Step Solution
- Step 1: Write the proportion equation
157,465,452.60 : 236,198,178.90 = 48,307,471.20 : x - Step 2: Convert to fraction form
157,465,452.60/236,198,178.90 = 48,307,471.20/x - Step 3: Cross multiply
157,465,452.60x = 236,198,178.90 × 48,307,471.20 - Step 4: Simplify right side
157,465,452.60x = 11,410,136,724,704,198 - Step 5: Solve for x
x = 11,410,136,724,704,198/157,465,452.60 - Step 6: Final answer
x = 72,461,206.80
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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.