Finding the Fourth Proportional to 88,690,027.70, 133,035,041.55 and 73,760,107.70
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Solution
The fourth proportional to 88,690,027.70, 133,035,041.55 and 73,760,107.70 is: 110,640,161.55
Step by Step Solution
- Step 1: Write the proportion equation
88,690,027.70 : 133,035,041.55 = 73,760,107.70 : x - Step 2: Convert to fraction form
88,690,027.70/133,035,041.55 = 73,760,107.70/x - Step 3: Cross multiply
88,690,027.70x = 133,035,041.55 × 73,760,107.70 - Step 4: Simplify right side
88,690,027.70x = 9,812,678,992,601,976 - Step 5: Solve for x
x = 9,812,678,992,601,976/88,690,027.70 - Step 6: Final answer
x = 110,640,161.55
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1.5x scale
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.