Finding the Fourth Proportional to 133,019,858.70, 199,529,788.05 and 125,486,682.53
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Solution
The fourth proportional to 133,019,858.70, 199,529,788.05 and 125,486,682.53 is: 188,230,023.79
Step by Step Solution
- Step 1: Write the proportion equation
133,019,858.70 : 199,529,788.05 = 125,486,682.53 : x - Step 2: Convert to fraction form
133,019,858.70/199,529,788.05 = 125,486,682.53/x - Step 3: Cross multiply
133,019,858.70x = 199,529,788.05 × 125,486,682.53 - Step 4: Simplify right side
133,019,858.70x = 25,038,331,167,310,892 - Step 5: Solve for x
x = 25,038,331,167,310,892/133,019,858.70 - Step 6: Final answer
x = 188,230,023.79
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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.