Finding the Fourth Proportional to 198,528,027.81, 297,216,977.55 and 149,550,152.31
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Solution
The fourth proportional to 198,528,027.81, 297,216,977.55 and 149,550,152.31 is: 223,892,035.56
Step by Step Solution
- Step 1: Write the proportion equation
198,528,027.81 : 297,216,977.55 = 149,550,152.31 : x - Step 2: Convert to fraction form
198,528,027.81/297,216,977.55 = 149,550,152.31/x - Step 3: Cross multiply
198,528,027.81x = 297,216,977.55 × 149,550,152.31 - Step 4: Simplify right side
198,528,027.81x = 44,448,844,261,720,352 - Step 5: Solve for x
x = 44,448,844,261,720,352/198,528,027.81 - Step 6: Final answer
x = 223,892,035.56
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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.